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Weighted Mean Difference

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1. Differences in mean change and variability of mean change in peak oxygen uptake between Chronic Fatigue Syndrome/ Myalgic Encephalomyelitis patients and healthy controls in two exercise tests separated by 24 hours: a systematic review and meta-analysis

Differences in mean change and variability of mean change in peak oxygen uptake between Chronic Fatigue Syndrome/ Myalgic Encephalomyelitis patients and healthy controls in two exercise tests separated by 24 hours: a systematic review and meta-analysis Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied (...) subgroup is required. If meta‐analysis is not possible, data will be reported through a descriptive summary. ">Planned approach If a meta-analysis is planned , please specify the following:"> Example: number of metastases: standardized mean difference; incidence of metastasis: risk ratio. ">Effect measure The random-effects model is the typical model of choice for pre-clinical meta-analyses. This is because in the fixed-effect model, it is assumed that the differences in observed effect between studies

2019 PROSPERO

2. Differences in the pregnancy gestation period and mean birth weights in infants born to Indian, Pakistani, Bangladeshi and white British mothers in Luton, UK: a retrospective analysis of routinely collected data. Full Text available with Trip Pro

Differences in the pregnancy gestation period and mean birth weights in infants born to Indian, Pakistani, Bangladeshi and white British mothers in Luton, UK: a retrospective analysis of routinely collected data. To compare mean birth weights and gestational age at delivery of infants born to Indian, Pakistani, Bangladeshi and white British mothers in Luton, UK.Retrospective analysis using routinely recorded secondary data in Ciconia Maternity information System, between 2008 and 2013.Luton (...) , UK.Mothers whose ethnicity was recorded as white British, Bangladeshi, Pakistani or Indian and living in Luton, aged over 16, who had a live singleton birth over 24 weeks of gestation were included in the analysis (n=14 871).Primary outcome measures were mean birth weight and gestational age at delivery.After controlling for maternal age, smoking, diabetes, gestation age, parity and maternal height and body mass index at booking, a significant difference in infants' mean birth weight was found between

2017 BMJ open

3. Weighted Mean Difference

Weighted Mean Difference Weighted Mean Difference Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Weighted Mean Difference Weighted (...) Mean Difference Aka: Weighted Mean Difference From Related Chapters II. Definition Weighted Mean Difference (WMD) Used in meta-analysis for continuous numerical measurements Each study in a meta-analysis is weighted based on variance III. Interpretation Weighted Mean Difference (WMD) >0 suggests benefit to an intervention (if does not the 0-line) Images: Related links to external sites (from Bing) These images are a random sampling from a Bing search on the term "Weighted Mean Difference." Click

2018 FP Notebook

4. An international multi-centre cohort study of weight loss in overweight cats: Differences in outcome in different geographical locations. Full Text available with Trip Pro

An international multi-centre cohort study of weight loss in overweight cats: Differences in outcome in different geographical locations. Feline obesity is a worldwide concern which has recently been formally classified as a disease by the veterinary community. Management involves invoking controlled weight loss by feeding a purpose-formulated food in restricted quantities and altering physical activity. Most weight loss studies conducted in cats have been undertaken in research cat colonies (...) ) and median BCS was 8 (range 7-9). In all, 402/413 cats (97%) lost weight (mean 10.6±6.3%) during the programme at a rate of 0.8 ±0.50%/week. Based upon owner questionnaires, activity and QOL improved (both P<0.001), while begging behaviour decreased (P<0.001) during weight loss. The main factor influencing percentage weight loss was geographical location (P<0.001), with cats in North America losing less weight (median 7.2%, IQR: 4.4-10.4%) than those in both Europe (10.7%, 6-8-15.4%) and South America

2018 PLoS ONE

5. Different grain-filling rates explain grain-weight differences along the wheat ear. Full Text available with Trip Pro

the first to reach anthesis followed by those in the apical part and then the basal part. Within a spikelet, the floret located nearest the rachis flowered first followed by the more distal ones. We found no significant systematic effect of flowering time-shift on final grain weight. Nevertheless, grains in the central part were heavier than the basal ones (9.75% smaller) and than the apical ones (18.25% smaller). These differences were explained mainly by differences in mean grain filling rates (...) Different grain-filling rates explain grain-weight differences along the wheat ear. Thousand grain weight is one of the components determining wheat grain yield. It represents the average value of individual grain weights which depends on position within the ear and on positon within the spikelet. Our objective was to quantify the influences of individual floret anthesis date, of carpel weight at anthesis and of rate and duration of grain filling, on variation in individual final grain weight

2018 PLoS ONE

6. Relative contributions of the correlates of stunting in explaining the mean length-for-age z-score difference between 24-month-old stunted and non-stunted children living in a slum of Dhaka, Bangladesh: results from a decomposition analysis. Full Text available with Trip Pro

of age) using generalized estimating equations (GEE) model. Then, the relative contributions of the most predictive correlates of stunting to mean LAZ score difference between stunted and non-stunted children at 24 months of age was measured using Blinder-Oaxaca decomposition analysis RESULTS: The GEE multivariable model identified maternal height, birth weight, people per room, gender, having separate room for kitchen and energy intake as the most predictive correlates of stunting. At 24 months (...) , mean LAZ score difference between stunted and non-stunted children was 1.48. The variable by variable decomposition of the LAZ gap identified maternal height (coefficient: -3.04; 95% CI: 0.35 to -6.44), birth weight (coefficient: -0.21; 95% CI: 0.88 to -1.30), people per room (coefficient: 0.31; 95% CI: 0.92 to -0.30) and energy intake (coefficient: -0.12; 95% CI: 0.22 to -0.46) as the top most factors responsible for the mean LAZ score difference between stunted and non-stunted children at 24

2019 BMJ open

7. Size and molecular weight determination of polysaccharides by means of nano electrospray gas‐phase electrophoretic mobility molecular analysis (nES GEMMA) Full Text available with Trip Pro

Size and molecular weight determination of polysaccharides by means of nano electrospray gas‐phase electrophoretic mobility molecular analysis (nES GEMMA) Size, size distribution and molecular weight (MW) determination of nanoparticles and that are for example large polymers, are of great interest and pose an analytical challenge. In this context, nano electrospray gas-phase electrophoretic mobility molecular analysis (nES GEMMA) is a valuable tool with growing impact. Separation of single (...) GEMMA spectra despite high analyte polydispersity and in a size/MW range, where classical mass spectrometry is limited. EMD/MW correlations based on linear (pullulans, oat-ß-glucans) polymers were significantly different, possibly indicating challenges in the exact MW determination of these compounds by, for example, chromatographic and light scattering means. Despite these observations, nES GEMMA of linear, monosaccharide-based polymers enabled the determination of size and size-distribution

2018 Electrophoresis

8. Gender differences in the relationship of weight-based stigmatisation with motivation to exercise and physical activity in overweight individuals Full Text available with Trip Pro

Gender differences in the relationship of weight-based stigmatisation with motivation to exercise and physical activity in overweight individuals Weight stigma is related to lower levels of motivation to exercise in overweight and obesity. This study explored the nature of the relationship between stigma, motivation to exercise and physical activity while accounting for gender differences. Participants were 439 adults with overweight and obesity (mean body mass index = 32.18 kg/m2, standard (...) activity. Findings suggest that males and females are affected differently by weight-stigma experiences.

2018 Health psychology open

9. Effect of Different Weight Vests on Body Weight in Obese Individuals

Effect of Different Weight Vests on Body Weight in Obese Individuals Effect of Different Weight Vests on Body Weight in Obese Individuals - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more. Effect of Different (...) Weight Vests on Body Weight in Obese Individuals (EVO) The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our for details. ClinicalTrials.gov Identifier: NCT03672903 Recruitment Status : Active, not recruiting First Posted : September 17, 2018 Last Update Posted : February 28, 2019 Sponsor: Vastra Gotaland Region Collaborators: Claes Ohlsson, MD, PhD

2018 Clinical Trials

10. Comparison of muscle activation and kinematics during free-weight back squats with different loads. Full Text available with Trip Pro

Comparison of muscle activation and kinematics during free-weight back squats with different loads. Although several studies have examined the effects of performing resistance training with different percentages of one-repetition maximum (1-RM), little is known of the neuromuscular effects and kinematics of lifting low to heavy loads with maximal movement velocity. The aim of this study is to compare muscle activation and kinematics in free-weight back squats with different loads. Thirteen (...) velocity occurred later. The muscle activation in all muscles increased with increasing loads but was not linear. In general, similar muscle activation in the prime movers was observed for loads between 40% and 60% of 1-RM and between 70% and 90% of 1-RM, with 100% of 1-RM being superior to the other loads when the loads were lifted at maximal intended velocity. However, the timing of maximal muscle activations was not affected by the different loadings for the quadriceps, but the timing was sequential

2019 PLoS ONE

11. Assessment of the load-velocity profile in the free-weight prone bench pull exercise through different velocity variables and regression models. Full Text available with Trip Pro

models, and (III) to compare the within- and between-subject variability of the velocity attained at each %1RM. Eighteen men (14 rowers and four weightlifters) performed an incremental test during the free-weight prone bench pull exercise in two different sessions. General and individual load-velocity relationships were modelled through three velocity variables (mean velocity [MV], mean propulsive velocity [MPV] and peak velocity [PV]) and two regression models (linear and second-order polynomial (...) Assessment of the load-velocity profile in the free-weight prone bench pull exercise through different velocity variables and regression models. This aims of this study were (I) to determine the velocity variable and regression model which best fit the load-velocity relationship during the free-weight prone bench pull exercise, (II) to compare the reliability of the velocity attained at each percentage of the one-repetition maximum (1RM) between different velocity variables and regression

2019 PLoS ONE

12. Evaluation of different mathematical models and different b-value ranges of diffusion-weighted imaging in peripheral zone prostate cancer detection using b-value up to 4500 s/mm2. Full Text available with Trip Pro

Evaluation of different mathematical models and different b-value ranges of diffusion-weighted imaging in peripheral zone prostate cancer detection using b-value up to 4500 s/mm2. To evaluate the diagnostic performance of different mathematical models and different b-value ranges of diffusion-weighted imaging (DWI) in peripheral zone prostate cancer (PZ PCa) detection.Fifty-six patients with histologically proven PZ PCa who underwent DWI-magnetic resonance imaging (MRI) using 21 b-values (0 (...) -4500 s/mm2) were included. The mean signal intensities of the regions of interest (ROIs) placed in benign PZs and cancerous tissues on DWI images were fitted using mono-exponential, bi-exponential, stretched-exponential, and kurtosis models. The b-values were divided into four ranges: 0-1000, 0-2000, 0-3200, and 0-4500 s/mm2, grouped as A, B, C, and D, respectively. ADC, , D*, f, DDC, α, Dapp, and Kapp were estimated for each group. The adjusted coefficient of determination (R2) was calculated

2017 PLoS ONE

13. Does intrauterine crowding affect locomotor development? A comparative study of motor performance, neuromotor maturation and gait variability among piglets that differ in birth weight and vitality. Full Text available with Trip Pro

low birth weight piglets. Since it has been argued that locomotion might be key to unraveling vitality-related differences, we compared gait development in piglets with a low birth weight and low vitality (L piglets) with piglets with a normal birth weight and normal vitality (N piglets) by means of spatio-temporal gait analysis during locomotion at self-selected speed. Video recordings of L and N piglets walking along a corridor at ten time points (between birth and 96 h after birth) were made (...) Does intrauterine crowding affect locomotor development? A comparative study of motor performance, neuromotor maturation and gait variability among piglets that differ in birth weight and vitality. In polytocous species, such as pigs, the growth of an individual fetus is affected by competition from its littermates and the sow. This intrauterine competition greatly influences postnatal traits such as birth weight and vitality (physical strength). A lowered vitality is most often observed among

2018 PLoS ONE

14. Use of weighted multivariate estimates in trials of multi-serotype vaccines to simplify interpretation of treatment differences. Full Text available with Trip Pro

Use of weighted multivariate estimates in trials of multi-serotype vaccines to simplify interpretation of treatment differences. Many vaccines contain multiple components. Licensed pneumococcal conjugate vaccines (PCV) contain polysaccharides from 7, 10, or 13 different serotypes of Streptococcus pneumoniae. The main outcomes in randomised trials of pneumococcal vaccines are serotype-specific antibody measures. Comparisons are made between groups for each serotype, resulting in multiple (...) with no booster (3+0). The overall difference between vaccine schedules across all serotypes was computed at each visit using a multivariate linear model with equal weights for each serotype. Alternative weights were derived from invasive pneumococcal disease cases in Nepal, Bangladesh and Pakistan, and from estimates of the relative invasiveness of each serotype and used in sensitivity analyses.When 10 separate estimates of treatment differences were computed the ratio of antibody responses for each serotype

2018 PLoS ONE

15. Effects of different dietary interventions on body weight and cardiovascular risk factors: an umbrella review of meta-analyses of randomized trials

Effects of different dietary interventions on body weight and cardiovascular risk factors: an umbrella review of meta-analyses of randomized trials Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content (...) a descriptive summary. ">Planned approach If a meta-analysis is planned , please specify the following:"> Example: number of metastases: standardized mean difference; incidence of metastasis: risk ratio. ">Effect measure The random-effects model is the typical model of choice for pre-clinical meta-analyses. This is because in the fixed-effect model, it is assumed that the differences in observed effect between studies is solely due to sampling error (i.e. differences in sample size), and that the true

2019 PROSPERO

16. Inter-individual differences in weight change and blood lipids following low-carbohydrate diet interventions: a systematic review and meta-analysis of randomised controlled trials

Inter-individual differences in weight change and blood lipids following low-carbohydrate diet interventions: a systematic review and meta-analysis of randomised controlled trials Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility (...) will be reported through a descriptive summary. ">Planned approach If a meta-analysis is planned , please specify the following:"> Example: number of metastases: standardized mean difference; incidence of metastasis: risk ratio. ">Effect measure The random-effects model is the typical model of choice for pre-clinical meta-analyses. This is because in the fixed-effect model, it is assumed that the differences in observed effect between studies is solely due to sampling error (i.e. differences in sample size

2019 PROSPERO

17. Prediction of microvascular invasion of hepatocellular carcinoma with preoperative diffusion-weighted imaging: A comparison of mean and minimum apparent diffusion coefficient values. Full Text available with Trip Pro

Prediction of microvascular invasion of hepatocellular carcinoma with preoperative diffusion-weighted imaging: A comparison of mean and minimum apparent diffusion coefficient values. The aim of the study was to investigate the value of preoperative diffusion-weighted imaging (DWI) in predicting microvascular invasion (MVI) of hepatocellular carcinoma (HCC), using and comparing mean and minimum apparent diffusion coefficient (ADC) values.Preoperative MR images of 318 patients with HCC confirmed (...) value of 1.19 × 10 mm/s. No significant difference existed between MinADC and mean ADC for their diagnostic performances in the prediction of MVI (P = .48).DWI could preoperatively provide quantitative parameters for predicting MVI of HCC.

2017 Medicine

18. Defining Adherence to Mobile Dietary Self-Monitoring and Assessing Tracking Over Time: Tracking at Least Two Eating Occasions per Day Is Best Marker of Adherence within Two Different Mobile Health Randomized Weight Loss Interventions. (Abstract)

Defining Adherence to Mobile Dietary Self-Monitoring and Assessing Tracking Over Time: Tracking at Least Two Eating Occasions per Day Is Best Marker of Adherence within Two Different Mobile Health Randomized Weight Loss Interventions. Mobile dietary self-monitoring methods allow for objective assessment of adherence to self-monitoring; however, the best way to define self-monitoring adherence is not known.The objective was to identify the best criteria for defining adherence to dietary self (...) -monitoring with mobile devices when predicting weight loss.This was a secondary data analysis from two 6-month randomized trials: Dietary Intervention to Enhance Tracking with Mobile Devices (n=42 calorie tracking app or n=39 wearable Bite Counter device) and Self-Monitoring Assessment in Real Time (n=20 kcal tracking app or n=23 photo meal app).Adults (n=124; mean body mass index=34.7±5.6) participated in one of two remotely delivered weight-loss interventions at a southeastern university between 2015

2019 Journal of the Academy of Nutrition and Dietetics Controlled trial quality: uncertain

19. Comparison of two different molecular weight intra-articular injections of hyaluronic acid for the treatment of knee osteoarthritis. (Abstract)

Comparison of two different molecular weight intra-articular injections of hyaluronic acid for the treatment of knee osteoarthritis. Knee osteoarthritis (OA) is an incurable joint disorder, representing a major public health issue. Among options for symptom control, viscosupplementation with hyaluronic acid (HA) had established usefulness in pain and function improvement of the knee. However, it is not clear which form of HA yields better results.We compared two HA preparations with high (HMW (...) ) or low molecular weight (LMW) in terms of pain control and function improvement using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) and the visual analog scale (VAS) score in patients with knee OA. During 2013, 80 patients were enrolled in this prospective, double-blind, randomized study. Each patient received a weekly injection of either preparation with a total of five injections for the LMW group and three for the HMW group. They were evaluated at baseline, five weeks

2019 Hippokratia Controlled trial quality: uncertain

20. Investigating the Immediate and Cumulative Effects of Isometric Squat Exercise for Different Weight Loads on Intraocular Pressure: A Pilot Study. Full Text available with Trip Pro

Investigating the Immediate and Cumulative Effects of Isometric Squat Exercise for Different Weight Loads on Intraocular Pressure: A Pilot Study. The execution of resistance exercise against heavy loads promotes an acute intraocular pressure (IOP) rise, which has detrimental effects on ocular health. However, the effect of load on the IOP behavior during exercise remains unknown due to technical limitations.IOP monitoring during isometric squat exercise permits assessment of IOP behavior during (...) were found in the high load condition in comparison with the medium (mean IOP difference = 1.5 mm Hg) and low (mean IOP difference = 3.1 mm Hg) conditions, as well as when the medium load was compared with the low load condition (mean IOP difference = 1.6 mm Hg). Men reached higher IOP values in comparison with women during the last measurements in the high load condition. Ten seconds of recovery were enough to obtain IOP values similar to baseline levels.Isometric squat exercise induces

2019 Sports health Controlled trial quality: uncertain

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