- ►annals.org [PDF] LL Kjaergard, J Villumsen, C Gluud - Annals of Internal Medicine, 2001 - Am Coll Physicians Purpose: To explore whether reported methodologic quality af- fects estimated
intervention effects in randomized trials and con- tributes to discrepancies
between the results of large randomized trials and small randomized trials ... Cited by 291 - Related articles - All 4 versions
- ►ucsb.edu [PDF] EM Balk, PAL Bonis, H Moskowitz, CH Schmid, … - Jama, 2002 - Am Med Assoc Context Specific features of trial quality may be associated with exaggeration
or shrinking of the observed treatment effect in randomized studies. Therefore,
assessment of trial quality is often used in meta-analysis. However, the ... Cited by 209 - Related articles - BL Direct - All 6 versions
D Moher, B Pham, A Jones, DJ Cook, AR … - The Lancet, 1998 - Elsevier The quality of trials was low. Masked assessments provided significantly higher
scores than unmasked assessments (mean 2·74 [SD 1·10] vs 2·55 [1·20]).
Low-quality trials (score ·2), compared with high-quality trials (score ... Cited by 1113 - Related articles - BL Direct - All 8 versions
- ►oxfordjournals.org LL Gluud - American journal of epidemiology, 2006 - Oxford Univ Press Research on bias in clinical trials may help identify some of the reasons why
investigators sometimes reach the wrong conclusions about intervention effects.
Several quality components for the assessment of bias control have been ... Cited by 94 - Related articles - BL Direct - All 10 versions
LL Kjaergard, D Nikolova, C Gluud - Hepatology, 1999 - interscience.wiley.com Evidence shows that the quality of randomized clinical trials (RCTs) affects
estimates of intervention efficacy, which is significantly exaggerated in
low-quality trials. The present study examines the quality of all 235 RCTs ... Cited by 63 - Related articles - BL Direct - All 3 versions
KF Schulz, I Chalmers, RJ Hayes, DG Altman - JAMA: Journal of the American Medical Association, 1995 - psycnet.apa.org Our Apologies! The following features are not available with your current
Browser configuration. - alerts user that their session ... Cited by 2484 - Related articles - BL Direct - All 5 versions
- ►bmj.com P Juni, DG Altman, M Egger - British Medical Journal, 2001 - bmj.com The quality of controlled trials is of obvious relevance to systematic reviews.
If the "raw material" is flawed then the conclusions of systematic reviews
cannot be trusted. Many reviewers formally assess the quality of primary ... Cited by 796 - Related articles - BL Direct - All 10 versions
DL Demets - Stat Med, 1987 - earlylearning.ubc.ca «Его«'' Ute- METHODS FOR COMBINING RANDOMIZED CLINICAL TRIALS IM. Reduction
in mortality , злит ;^ц European , .'HBkenheimo afÉÉÊurep*8"
Collaborative H çerman Collaborative ЛИЙ« ílMttrfian i fai* ... Cited by 123 - Related articles - All 3 versions
R Barker Bausell, WL Lee, KL Soeken, YF Li … - Journal of clinical epidemiology, 2004 - Elsevier A sample of 25 CAM meta-analyses was identified from MEDLINE and hand searches
containing published effect sizes for at least three efficacy trials employing
placebo control groups. From these 25 reviews, 26 pairs of trials were ... Cited by 3 - Related articles - All 12 versions