Copyright 2002 American Medical Association. All Rights Reserved.
Applicable FARS/DFARS Restrictions Apply to Government Use.2002
To the Editor: Dr Reiber and colleagues1 assessed therapeutic footwear in mixed groups of
diabetic patients with and without foot insensitivity. Because only the former
have a substantially increased risk of foot reulceration,2
a separate analysis of low-risk vs high-risk patients would have been helpful.
Reiber et al have based their statistical power calculation on data stemming
from only high-risk patients with foot insensitivity3,4;
it is possible, therefore, that their study was underpowered.
Chantelau E. Therapeutic Footwear in Patients With Diabetes. JAMA. 2002;288(10):1231–1233. doi:10.1001/jama.288.10.1229
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