Table 1

Illustration of a 2 × 2 table for the kth trial.

Treatment group

Total


A

B


Success

SkA

SkB

Sk

Failure

FkA

FkB

Fk

nkA

nkB

nk


Schumi and Wittes Trials 2011 12:106   doi:10.1186/1745-6215-12-106

Open Data