Table 1

Power scenarios for the neonatal outcome
fFN+ fFN- Subjects (fFN+/fFN-) [Total] Power
40% 10% 375/750 (1125) 81%
400/800 (1200) 83%
425/850 (1275) 85%
45% 13% 375/750 (1125) 88%
400/800 (1200) 90%
425/850 (1275) 92%
50% 15% 375/750 (1125) 93%
400/800 (1200) 94%
425/850 (1275) 95%

Norman et al.

Norman et al. BMC Pregnancy and Childbirth 2012 12:79   doi:10.1186/1471-2393-12-79

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