TABLE 3.

Risk-Adjusted Mortality OR by Level of Care and NICU Size at Hospital of Birth for Different BW Ranges

NICU Level and Size at Hospital of BirthBW <2000 Grams (OR [95% CI])BW <1500 Grams (OR [95% CI])BW <1250 Grams (OR [95% CI])BW 1250–1999 Grams (OR [95% CI])BW 1500–1999 Grams (OR [95% CI])
No NICU2.38 (1.81–3.13)2.98 (2.10–4.24)3.20 (2.17–4.72)1.39 (0.83–2.33)1.35 (0.80–2.28)
Intermediate NICU, any census1.92 (1.44–2.54)2.37 (1.65–3.40)2.36 (1.56–3.58)1.29 (0.74–2.25)1.04 (0.56–1.95)
Community NICU, census <151.42 (1.14–1.76)1.51 (1.14–2.00)1.48 (1.07–2.05)1.38 (0.93–2.05)1.22 (0.84–1.76)
Community NICU, census ≥151.11 (0.87–1.43)1.05 (0.77–1.44)1.08 (0.76–1.54)1.26 (0.81–1.94)1.56 (1.04–2.34)
  • Risk-adjusted mortality rate at hospitals with a regional NICU was the reference.

    The regression also controlled for the risk factors listed in Table 2.