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Federal
Simpson's paradox and calculation of number needed to treat from meta-analysis
U.S. Department of Health & Human Services —
Background Calculation of numbers needed to treat (NNT) is more complex from meta-analysis than from single trials. Treating the data as if it all came from one trial... -
Federal
Pooling data for Number Needed to Treat: no problems for apples
U.S. Department of Health & Human Services —
Objective To consider the problem of the calculation of number needed to treat (NNT) derived from risk difference, odds ratio, and raw pooled events shown to give...