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Journal of Clinical Epidemiology
Volume 63, Issue 3
, Pages 238-245
, March 2010
Meta-analysis of well-designed nonrandomized comparative studies of surgical procedures is as good as randomized controlled trials
References
- . A systematic review of comparisons of effect sizes derived from randomised and non-randomised studies. Health Technol Assess. 2000;4(34):1–154
- . Meta-analysis of short-term outcomes after laparoscopic resection for colorectal cancer. Br J Surg. 2004;91:1111–1124
- Abraham NS, Byrne CJ, Young JM, Solomon MJ. Meta-analysis of non-randomised comparative studies of the short-term outcomes of laparoscopic resection for colorectal cancer. ANZ J Surg 2007;77:508-16.
- . Clinical studies in surgical journals—have we improved?. Dis Colon Rect. 1993;36:43–48
- . Methods for evaluating research guideline evidence, improving health care and outcomes. Sydney, Australia: NSW Department of Health; 1996;
- . Bias in treatment assignment in controlled clinical trials. New Engl J Med. 1983;309:1358–1361
- . Empirical evidence of bias: dimensions of methodological quality associated with estimates of treatment effects in controlled trials. JAMA. 1995;273:408–412
- . Methodological index for non-randomized studies (Minors): development and validation of a new instrument. ANZ J Surg. 2003;73:712–716
- Sample size for sensitivity. Power/sample size calculator. Available at: http://stat.ubc.ca/∼rollin/stats/ssize/b2.html. (Accessed December 2007).
- . Of babies and bathwater. Am J Epidemiol. 1994;140:779–782
- . A comparison of observational studies and randomized, controlled trials. New Engl J Med. 2000;342:1878–1886
- . Randomized, controlled trials, observational studies, and the hierarchy of research designs. New Engl J Med. 2000;342:1887–1892
- . Choosing between randomised and non-randomised studies: a systematic review. Health Technol Assess. 1998;2:1–124
- . The unpredictability paradox: review of empirical comparisons of randomised and non-randomised clinical trials. Br Med J. 1998;317:1185–1190
- . Randomisation versus historic controls for clinical trials. Am J Med. 1982;72:233–240
- Laparoscopic surgery versus open surgery for colon cancer: short-term outcomes of a randomised trial. Lancet Oncol. 2005;6:477–484
- . A comparison of laparoscopically assisted and open colectomy for colon cancer. New Engl J Med. 2004;350:2050–2059
- Short-term endpoints of conventional versus laparoscopic-assisted surgery in patients with colorectal cancer (MRC CLASICC trial): multicentre, randomised controlled trial. Lancet. 2005;365:1718–1726
- Laparoscopic versus open colorectal surgery: cost-benefit analysis in a single-center randomized trial. Ann Surg. 2005;242:890–896
PII: S0895-4356(09)00127-9
doi: 10.1016/j.jclinepi.2009.04.005
© 2010 Elsevier Inc. All rights reserved.
« Previous
Next »
Journal of Clinical Epidemiology
Volume 63, Issue 3
, Pages 238-245
, March 2010
