title: Hospitalizations for severe complications of pregnancy, 1987-1992.
abstract: OBJECTIVE
  To compute ratios of severe pregnancy complications (the number of hospitalizations for pregnancy complications per 100 deliveries) and to examine factors associated with their prevalence.
  
  
  METHODS
  Using population-based California hospital discharge data to estimate hospitalization ratios of pregnancy complications during 1987-1992, we defined cases by preselected pregnancy complication codes from the International Classification of Diseases, Ninth Revision, Clinical Modification, excluding induced abortions and delivery-associated complications. All hospital deliveries of liveborn or stillborn infants were included in our denominator. We examined ratios by age, race-ethnicity, payment source, total hospitalization charges, and length of hospital stay.
  
  
  RESULTS
  There were 833,264 hospitalizations for pregnancy complications in California (25 complications per 100 deliveries), which included admissions for preterm labor (33%), genitourinary infection (16%), and pregnancy-induced hypertension (15%). Age-specific ratios were highest for women 14 years old and younger (38 per 100 deliveries) and lowest for women 25-29 years old (23 per 100 deliveries). Ratios of complications varied by race-ethnicity; black women had the highest (42 per 100 deliveries), and Asian-Pacific Islander women had the lowest (21 per 100 deliveries). Ratios were unaffected by payment source. In 1987, Medicaid charges were $118 million for 33% of the number of total hospitalizations for complications. In 1992, such Medicaid hospitalizations accounted for $356 million (49%) of the $734 million in total charges and for 183,295 (45%) of the 409,000 total hospital days.
  
  
  CONCLUSIONS
  Our results showed disparities in ratios of severe complications of pregnancy by age and race-ethnicity as well as a shift of financial burden to Medicaid. These findings suggest that such complications may be reduced by identifying risk factors and targeting high-risk groups.
authors.affiliation: Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia, USA. cls6@cdc.gov
authors.forename: C L
authors.initials: CL
authors.lastname: Scott
authors.forename: G F
authors.initials: GF
authors.lastname: Chavez
authors.forename: H K
authors.initials: HK
authors.lastname: Atrash
authors.forename: D J
authors.initials: DJ
authors.lastname: Taylor
authors.forename: R S
authors.initials: RS
authors.lastname: Shah
authors.forename: D
authors.initials: D
authors.lastname: Rowley
mesh_terms: D000293:Adolescent; D000328:Adult; D001741:Black or African American / Q000706:statistics & numerical data; D000367:Age Factors; D002140:California / Q000453:epidemiology; D005006:Ethnicity / Q000706:statistics & numerical data; D005260:Female; D017722:Hospital Charges / Q000706:statistics & numerical data; D006760:Hospitalization / Q000191:economics / Q000706:statistics & numerical data*; D006801:Humans; D007902:Length of Stay / Q000191:economics / Q000706:statistics & numerical data; D008484:Medicaid / Q000191:economics / Q000706:statistics & numerical data; D011247:Pregnancy; D011248:Pregnancy Complications / Q000191:economics / Q000453:epidemiology*; D015995:Prevalence; D012307:Risk Factors; D014481:United States; D044465:White People / Q000706:statistics & numerical data