. Author manuscript; available in PMC: 2022 Jan 1.

Published in final edited form as: Am J Obstet Gynecol MFM. 2020 Oct 22;3(1):100270. doi: 10.1016/j.ajogmf.2020.100270

Table 4:

Umbilical cord pO₂ in patients with microcytic anemia

	Microcytic Anemia N= 602	No Anemia N=6620	Unadjusted p-value	aOR (95% CI)^*
UA pO2	19 (16, 24)	19 (15, 24)	0.37
UV pO2	30 (24, 35)	29 (23, 34)	<0.01
UA pO2< 5^th percentile	34 (5.7)	511 (7.7)	0.07	0.62 (0.42-0.91)
UV pO2 <5^th percentile	36 (6.0)	407 (6.1)	0.87	0.88 (0.60-1.27)
UA pO2 >90^th percentile	64 (10.6)	771 (11.7)	0.46	0.90 (0.68-1.19)
UV pO2 >90^th percentile	89 (14.8)	720 (10.9)	<0.01	1.44 (1.13-1.84)

Data represent median (IQR) or n(%)

Adjusted for hypertensive disorders of pregnancy, maternal fever, and smoking