Small trial bias

Bhandari M, Lochner H, Tornetta P, III. Effect of continuous versus dichotomous outcome variables on study power when sample sizes of orthopaedic randomized trials are small. Arch Orthop Trauma Surg 2002; 122(2):96-98.
PMID: 11880910

Dickinson K, Bunn F, Wentz R, Edwards P, Roberts I. Size and quality of randomised controlled trials in head injury: review of published studies. BMJ 2000; 320(7245):1308-1311.
PMID: 10807622

Harrington DP. The tea leaves of small trials. J Clin Oncol 1999; 17(5):1336-1338.
PMID: 10334516

Hotopf M, Lewis G, Normand C. Putting trials on trial--the costs and consequences of small trials in depression: a systematic review of methodology. J Epidemiol Community Health 1997; 51(4):354-358.
PMID: 9328538

 

Page last edited: 08 May 2009