Abstract PP.14 Table
Gestation at delivery (weeks)
Outpatients (%)
Inpatients (%)
Risk Ratio
χ
2
<30
2.6 (n=10)
33.3 (n=12)
13.0
63.7 (p<0.001)
<34
5.9 (n=23)
58.3 (n=21)
9.9
97.8 (p<0.001)
<37
15.4 (n=60)
77.8 (n=28)
5.1
78.3 (p<0.001)