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. 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 3:

Other umbilical artery gases

Anemia N= 1097 No Anemia N=6620 p-value
UA pH 7.28 ± 0.060 7.27 ± 0.065 <0.01
UA pH<7.1 18 (1.6) 123 (1.9) 0.62*
UA pCO2 54 ± 8.6 56 ± 9.6 <0.01
UA base deficit −2.9 ± 2.4 −3.0 ± 2.6 0.16
UA lactate 3.0 ± 1.4 3.4 ± 2.0 <0.01

Data represent mean ± standard deviation or n(%)

*

aOR 0.93 (95% CI 0.55-1.55), adjusted for hypertensive disorders of pregnancy, maternal fever, and smoking