Table 3.

Risk of Adverse Maternal and Neonatal Outcomes by Type of Internal Monitor

	No Internal Monitors (n=2,501)	FSE Only (n=625)	AOR (95% CI)	IUPC Only (n=789)	AOR (95% CI)	Both FSE & IUPC (n=2,530)	AOR (95% CI)
Any Maternal Fever	113 (4.5%)	51 (8.1%)	1.5 (1.0–2.1)†	107 (13.6%)	2.4 (1.8–3.2)†	302 (11.9%)	2.0 (1.6–2.6)‡
Maternal Fever Pror to Delivery	36 (1.4%)	22 (3.5%)	1.8 (1.0–3.2)§	42 (5.3%)	2.4 (1.5–3.9)§	102 (4.0%)	2.0 (1.3–3.0)║
Maternal Fever ≥12 hrs after Delivery	61 (2.5%)	22 (3.6%)	1.4 (0.9–2.3)¶	51 (6.6%)	2.4 (1.6–3.5)¶	153 (6.2%	1.9 (1.4–2.6)¶
Cesarean Delivery	243 (9.7%)	47 (7.5%)	0.5 (0.4–0.7)**	107 (13.6%)	0.9 (0.7–1.1)**	579 (22.9%)	1.6 (1.4–2.0)**
Composite Neonatal Outcome	88 (3.7%)	15 (2.5%)	0.8 (0.5–1.5)††	28 (3.6%)	0.9 (0.5–1.4)††	86 (3.5%)	0.8 (0.5–1.1)††

^*Adjusted for time from rupture to delivery ≥12 hours, primiparous, regional anesthesia and induction of labor

^†Adjusted for time from rupture to delivery ≥12 hours, primiparous, and induction of labor

^‡Adjusted for time from rupture to delivery ≥12 hours, black race, GBS status, primiparous, and regional anesthesia

^§Adjusted for time from rupture to delivery ≥12 hours, induction of labor, and primiparous

^║Adjusted for time from rupture to delivery ≥12 hours, body mass index, primiparous, and regional anesthesia

^¶Adjusted for time from rupture to delivery ≥12 hours, primiparous, and cesarean delivery

^**Adjusted for time from rupture to delivery ≥12 hours, black race, body mass index, prior vaginal delivery, maternal fever prior to delivery, gestational age at delivery, and regional anesthesia

^††Adjusted for induction of labor, black rack, gestational age at delivery, and cesarean delivery