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To examine the association between severe maternal morbidity (SMM) and infant health using the additional infant costs and length of stay (LOS) as markers of added clinical complexity.Secondary data analysis using California linked birth certificate-patient discharge data for 2009-2011 (N = 1,260,457). Regression models were used to estimate the association between SMM and infant costs and LOS.The 16,687 SMM-exposed infants experienced a $6550 (33%) increase in costs and a 0.7 (18%) day increase in LOS. Preterm infants had ($11,258 (18%) added costs and 1.3 days (8.1%) longer LOS) than term infants ($2539 (38%) added costs and 0.5 days (22%) longer LOS).SMM was associated with increased infant costs and LOS, suggesting that SMM may have adverse health effects for infants, including term infants. The relatively larger effect on costs indicates an increase in treatment intensity (clinical severity) greater than additional LOS.

To estimate racial and ethnic differences in rates of hospital-based care associated with postpartum depression. This is a retrospective cohort study using International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) diagnosis codes within data from the Office of Statewide Planning and Development in California. We included primiparous women who underwent delivery hospitalization from 2008 to 2012. The primary outcome was the first postpartum hospital encounter with a ICD-9-CM code for depression over a 9-month period after delivery. We examined the cumulative incidence of hospital-based care for postpartum depression by race/ethnicity. Logistic regression was used to estimate relative risk. The study cohort consisted of 984,167 primiparous women: 314,037 (32%) were non-Hispanic White; 59,754 (6%) were non-Hispanic Black; 150,855 (15%) were non-Hispanic Asian; 448,770 (46%) were Hispanic; and 10,399 (1%) were other races. The cumulative incidence of hospital-based care for postpartum depression was highest for Black women (39; 95% CI = 34–44 per 10,000 deliveries) and lowest for Asian women (7; 95% CI = 5–8 per 10,000 deliveries). Compared with White women, hospital-based care for postpartum depression was more likely to be provided to Black women (OR = 2.3; 95% CI = 1.9–2.7), whereas care was less likely for Asians (OR = 0.4; 95% CI = 0.3–0.5) and Hispanics (OR = 0.8; 95% CI = 0.7–1.0). Similar findings were observed after excluding women with antepartum depression, adjusting for sociodemographic and clinical variables, and stratifying according to care settings. Compared with White women, hospital-based care for postpartum depression more frequently impacts Black women. Identifying and improving inequities in access to and utilization of mental health care for postpartum women should be a maternal health priority.

Objective To assess frequency of very low birth weight (VLBW) births at non-level III hospitals. Study design Retrospective cohort study using linked California birth certificate and discharge data of 2008 to 2010 for deliveries of singleton or first-born infant of multiple gestations with birth weight 400 to 1500 g. Delivery rates by neonatal level of care were obtained. Risk of delivery at non-level III centers was estimated in univariable and multivariable models. Results Of the 1 508 143 births, 13 919 (9.2%) were VLBW; birth rate at non-level III centers was 14.9% (8.4% in level I and 6.5% in level II). Median rate of VLBW births was 0.3% (range 0 to 4.7%) annually at level I and 0.5% (range 0 to 1.6%) at level II hospitals. Antepartum stay for >24 h occurred in 14.0% and 26.9% of VLBW births in level I and level II hospitals, respectively. Conclusion Further improvement is possible in reducing VLBW infant delivery at suboptimal sites, given the window of opportunity for many patients.