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. 2007 Nov 3;7:46. doi: 10.1186/1471-2288-7-46

Table 1.

Estimates of the probability (risk) of low Apgar under the null and alternative hypotheses

Risk of low Apgar under H0: (OR = 1) Risk of low Apgar under HA: (p given ORA = 0.5) Risk of low Apgar under HA: (p given ORA = 1.5)
Nulliparous 0.0060 (0.60%) 0.0030 (0.30%) 0.0089 (0.89%)
Multiparous 0.0029 (0.29%) 0.0015 (0.15%) 0.0044 (0.44%)
Overall 0.0044 (0.44%) 0.0022 (0.22%) 0.0066 (0.66%)