PubMed

Reported methodologic quality and discrepancies between large and small randomized trials in meta-analyses.

Kjaergard LL, Villumsen J, Gluud C.

Ann Intern Med. 2001 Dec 4;135(11):982-9. Erratum in: Ann Intern Med. 2008 Aug 5;149(3):219. PMID: 11730399 [PubMed - indexed for MEDLINE]Related articlesFree article

Does quality of reports of randomised trials affect estimates of intervention efficacy reported in meta-analyses?

Moher D, Pham B, Jones A, Cook DJ, Jadad AR, Moher M, Tugwell P, Klassen TP.

Lancet. 1998 Aug 22;352(9128):609-13.PMID: 9746022 [PubMed - indexed for MEDLINE]Related articles

Empirical evidence of bias in treatment effect estimates in controlled trials with different interventions and outcomes: meta-epidemiological study.

Wood L, Egger M, Gluud LL, Schulz KF, Jüni P, Altman DG, Gluud C, Martin RM, Wood AJ, Sterne JA.

BMJ. 2008 Mar 15;336(7644):601-5. Epub 2008 Mar 3.PMID: 18316340 [PubMed - indexed for MEDLINE]Related articlesFree article

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.

JAMA. 1995 Feb 1;273(5):408-12.PMID: 7823387 [PubMed - indexed for MEDLINE]Related articles

Association of funding and conclusions in randomized drug trials: a reflection of treatment effect or adverse events?

Als-Nielsen B, Chen W, Gluud C, Kjaergard LL.

JAMA. 2003 Aug 20;290(7):921-8.PMID: 12928469 [PubMed - indexed for MEDLINE]Related articlesFree article

Comparison of conference abstracts and presentations with full-text articles in the health technology assessments of rapidly evolving technologies.

Dundar Y, Dodd S, Dickson R, Walley T, Haycox A, Williamson PR.

Health Technol Assess. 2006 Feb;10(5):iii-iv, ix-145. Review.PMID: 16487455 [PubMed - indexed for MEDLINE]Related articlesFree article

Impact of allocation concealment on conclusions drawn from meta-analyses of randomized trials.

Pildal J, Hróbjartsson A, Jørgensen KJ, Hilden J, Altman DG, Gøtzsche PC.

Int J Epidemiol. 2007 Aug;36(4):847-57. Epub 2007 May 21. Erratum in: Int J Epidemiol. 2008 Apr;37(2):422. PMID: 17517809 [PubMed - indexed for MEDLINE]Related articlesFree article

Intravenous chemotherapy for resected gastric cancer: meta-analysis of randomized controlled trials.

Hu JK, Chen ZX, Zhou ZG, Zhang B, Tian J, Chen JP, Wang L, Wang CH, Chen HY, Li YP.

World J Gastroenterol. 2002 Dec;8(6):1023-8.PMID: 12439918 [PubMed - indexed for MEDLINE]Related articlesFree article

Correction: reported methodologic quality and discrepancies between large and small randomized trials in meta-analyses.

Gluud LL, Thorlund K, Gluud C, Woods L, Harris R, Sterne JA.

Ann Intern Med. 2008 Aug 5;149(3):219. No abstract available. Erratum in: Ann Intern Med. 2008 Oct 21;149(8):596. Kjaergard, Lise L [corrected to Gluud, Lise L]; Villumsen, John [removed]; Thorlund, Kristian [added]; Woods, Lesley [added]; Harris, Ross [added]; Sterne, Jonathan A C [added]. PMID: 18942172 [PubMed - indexed for MEDLINE]Related articlesFree article

Funding, disease area, and internal validity of hepatobiliary randomized clinical trials.

Kjaergard LL, Gluud C.

Am J Gastroenterol. 2002 Nov;97(11):2708-13.PMID: 12425537 [PubMed - indexed for MEDLINE]Related articles

Tobacco cessation interventions for young people.

Grimshaw GM, Stanton A.

Cochrane Database Syst Rev. 2006 Oct 18;(4):CD003289. Review.PMID: 17054164 [PubMed - indexed for MEDLINE]Related articles

Randomized clinical trials in HEPATOLOGY: predictors of quality.

Kjaergard LL, Nikolova D, Gluud C.

Hepatology. 1999 Nov;30(5):1134-8.PMID: 10534332 [PubMed - indexed for MEDLINE]Related articles

Tamoxifen for hepatocellular carcinoma.

Nowak A, Findlay M, Culjak G, Stockler M.

Cochrane Database Syst Rev. 2004;(3):CD001024. Review.PMID: 15266436 [PubMed - indexed for MEDLINE]Related articles

The journal impact factor as a predictor of trial quality and outcomes: cohort study of hepatobiliary randomized clinical trials.

Gluud LL, Sørensen TI, Gøtzsche PC, Gluud C.

Am J Gastroenterol. 2005 Nov;100(11):2431-5.PMID: 16279896 [PubMed - indexed for MEDLINE]Related articles

Meta-analyses involving cluster randomization trials: a review of published literature in health care.

Laopaiboon M.

Stat Methods Med Res. 2003 Dec;12(6):515-30. Review.PMID: 14653354 [PubMed - indexed for MEDLINE]Related articles

Correlation of quality measures with estimates of treatment effect in meta-analyses of randomized controlled trials.

Balk EM, Bonis PA, Moskowitz H, Schmid CH, Ioannidis JP, Wang C, Lau J.

JAMA. 2002 Jun 12;287(22):2973-82.PMID: 12052127 [PubMed - indexed for MEDLINE]Related articlesFree article

Enteral nutritional therapy for induction of remission in Crohn's disease.

Zachos M, Tondeur M, Griffiths AM.

Cochrane Database Syst Rev. 2007 Jan 24;(1):CD000542. Review.PMID: 17253452 [PubMed - indexed for MEDLINE]Related articles

Randomized controlled trials in long-term care residents with dementia: a systematic review.

Mills EJ, Chow TW.

J Am Med Dir Assoc. 2003 Nov-Dec;4(6):302-7. Review.PMID: 14613596 [PubMed - indexed for MEDLINE]Related articles

Secular changes in the quality of published randomized clinical trials in rheumatology.

Hill CL, LaValley MP, Felson DT.

Arthritis Rheum. 2002 Mar;46(3):779-84.PMID: 11920415 [PubMed - indexed for MEDLINE]Related articlesFree article

Ginkgo biloba for cognitive impairment and dementia.

Birks J, Grimley EV, Van Dongen M.

Cochrane Database Syst Rev. 2002;(4):CD003120. Review. Update in: Cochrane Database Syst Rev. 2007;(2):CD003120. PMID: 12519586 [PubMed - indexed for MEDLINE]Related articles