Clinical trials in wound care. II: Achieving statistical significance.
Clinical trials must be well designed in order to produce statistically and clinically significant results. This article describes the randomisation techniques that can prevent bias, the importance of sample size and the concept of power analysis.
Venkatraman
P
P
Faculty of Technology, Bolton Institute, UK. dpvlmpo@bolton.ac.uk
Anand
S
S
Dean
C
C
Nettleton
R
R
D015982:Bias; D002986:Clinical Trials as Topic / Q000592:standards*; D015340:Epidemiologic Research Design; D006801:Humans; D014947:Wounds and Injuries / Q000628:therapy*