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Comparative Study
. 2013 Jun;121(6):1201-1208.
doi: 10.1097/AOG.0b013e3182932238.

Paradoxical trends and racial differences in obstetric quality and neonatal and maternal mortality

Elizabeth A Howell  1 , Jennifer Zeitlin, Paul Hebert, Amy Balbierz, Natalia Egorova
Affiliations
Comparative Study

Paradoxical trends and racial differences in obstetric quality and neonatal and maternal mortality

Elizabeth A Howell et al. Obstet Gynecol. 2013 Jun.

Abstract

Objective: To evaluate trends by race in Agency for Healthcare Research and Quality obstetric-related quality and safety indicators and their relationships to trends in inpatient maternal and neonatal mortality.

Methods: We used the Nationwide Inpatient Sample from 2000 through 2009 and calculated obstetric hospital quality and patient safety indicators and inpatient maternal and neonatal mortality stratified by race. We examined differences in age and comorbidity-adjusted trends in black compared with white women over time in the United States and by geographic region. Proportions were analyzed by χ2 and trends by regression analysis.

Results: Obstetric quality indicators varied by geographic region, but changes over time were consistent for both races. Cesarean deliveries increased similarly for black and white women, and vaginal births after cesarean delivery declined for both races but more rapidly for white women than for black women. Obstetric safety indicators improved over the study period for black and white women, with obstetric trauma decreasing significantly for both groups (28% compared with 35%, respectively) and birth trauma-injury to neonates declining for both, but changes were not significant. In striking contrast, inpatient maternal and neonatal mortality remained relatively constant during the study period, with persistently higher rates of both seen among black compared with white women (12.0 compared with 4.6 per 100,000 deliveries, P<.001 and 6.6 compared with 2.5 per 1,000 births, P<.001, respectively, in 2009).

Conclusion: Improvements in Agency for Healthcare Research and Quality quality indicators for obstetrics are not reflected in improvements in maternal and neonatal morbidity and mortality and do not explain continued racial disparities for outcomes in pregnancies in black and white women. Quality measures that are related to pregnancy outcomes are needed and these should elucidate obstetric health disparities.

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Figures

Figure 1
Figure 1
Trends in obstetric quality indicators for black and white patients. A: trends in cesarean delivery (inpatient quality indicators [IQI] 21) and primary cesarean delivery (IQI 33) by race. B: trends in uncomplicated (IQI 22) and all (IQI 34) vaginal deliveries after cesarean by race. C: trends in obstetric trauma after vaginal deliveries with (patient safety indicators [PSI] 18) and without instruments (PSI 19) by race. D: trends in birth trauma – injury to neonate (PSI 17) by race.
Figure 2
Figure 2
Trends in mortality for black and white patients. A: trends in maternal mortality by race. B: trends in neonatal mortality by race.
See this image and copyright information in PMC

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