Influence of methodological quality on study conclusions

Comment

K F Schulz et al. JAMA. 2001.

. 2001 Nov 28;286(20):2546-7.

No abstract available

Comment on

Empirical evidence of bias. Dimensions of methodological quality associated with estimates of treatment effects in controlled trials.
Schulz KF, Chalmers I, Hayes RJ, Altman DG. Schulz KF, et al. JAMA. 1995 Feb 1;273(5):408-12. doi: 10.1001/jama.273.5.408. JAMA. 1995. PMID: 7823387
Assessing the quality of randomization from reports of controlled trials published in obstetrics and gynecology journals.
Schulz KF, Chalmers I, Grimes DA, Altman DG. Schulz KF, et al. JAMA. 1994 Jul 13;272(2):125-8. JAMA. 1994. PMID: 8015122
Relationship between methodological trial quality and the effects of selective digestive decontamination on pneumonia and mortality in critically ill patients.
van Nieuwenhoven CA, Buskens E, van Tiel FH, Bonten MJ. van Nieuwenhoven CA, et al. JAMA. 2001 Jul 18;286(3):335-40. doi: 10.1001/jama.286.3.335. JAMA. 2001. PMID: 11466100