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. 2020 Jan 7;40(3):463–472. doi: 10.1038/s41372-019-0568-6

Table 1.

California birth hospitals and patient characteristics, 2018.

Category % distribution 95% CI # of hospitals
Annual births (n= 72), American Hospital Association Annual Survey
  <1000 17% 10% 27% 12
  1000–1999 32% 22% 43% 23
  2000–2999 24% 15% 35% 17
  3000–3999 17% 10% 27% 12
  4000+ 11% 5% 21% 8
Hospital ownership (n= 72), American Hospital Association Annual Survey
  Government, nonfederal 19% 12% 30% 14
  Nongovernment, not-for-profit 67% 55% 76% 48
  Investor-owned (for-profit) 14% 8% 24% 10
Respondent-reported NICU level (n= 75)
  No NICU in hospital 8% 3% 17% 6
  Level I or II 19% 11% 29% 14
  Level III 60% 49% 70% 45
  Level IV 13% 7% 23% 10
Respondent-reported frequency of maternal-fetal opioid-related exposures (n= 73)
  Often (1 in 10 patients, or more often) 11% 5% 20% 8
  Sometimes (between 1 in 10 patients and 1 in 100 patients) 47% 36% 58% 34
  Seldom (1 in 100 patients, or less often) 30% 21% 41% 22
  Never 3% 0% 10% 2
  Unsure 10% 4% 19% 7
Respondent-reported hospital management of NAS (n= 75)
  Manages all levels of infants observed for or treated for NAS 81% 71% 89% 61
  Manages milder cases and transfers severe cases 13% 7% 23% 10
  Transfers all NAS cases 1% 0% 8% 1

Sources: “Hospital Care and Emerging Practices for Treatment of Maternal Opioid Addiction, the Mother–Infant Dyad and Neonatal Abstinence Care: A Survey of California Hospitals” fielded June 2018 to August 2018 by the Urban Institute in collaboration with the California Perinatal Quality-Improvement Collaborative and the California Maternal Quality Care Collaborative; 2015 American Hospital Association Annual Survey Database

n = sample size. Denominator includes hospitals that have American Hospital Association data, or, for survey responses, all respondents who selected a response in any part of a survey question (e.g., in a multi-item response table). A respondent who selected an answer in one line of the table but left another line blank are treated as “no” (instead of “missing”) for the line or lines for which they did not respond. 75 out of 145 birth hospitals in the sample responded to the survey

NAS neonatal abstinence syndrome, CI confidence interval