p-value 3/22/2020 3/22/2019 p-value 3/15/2020 3/15/2019 Characteristic
NS 178 191 NS 222 194 Deliveries (n)
NS 41.6 40.8 NS 36.0 36.6 Spontaneous onset of labor (%)
NS 1.7 2.1 NS 4.5 2.6 Intrapartum fever (%)
NS 81 75 NS 83 92 2nd stage of labor (min)
NS 5.6 3.1 NS 2.3 2.1 Delivery <34 weeks (%)
NS 14.6 8.9 NS 9.9 9.8 Delivery <37 weeks (%)
NS 7.9 12.0 NS 9.5 6.2 Delivery >41 weeks (%)
NS 64.1 60.7 NS 59.9 65 NVD (%)
NS 9.5 8.4 NS 10.4 5.6 OVD (%)
NS 26.4 30.9 NS 29.7 29.4 CD (%)
NS 3113 3179 NS 3140 3113 Birthweight (g)
NS 5.6 6.8 NS 5.9 5.2 Composite neonatal* (%)