Table 2.

Likelihood of Neonatal Respiratory Distress Syndrome

	OR	95% CI	Adjusted OR*	95% CI
Gestational age (wk)†	0.40	0.21–0.75	—	—
L/S ratio‡	0.08	0.02–0.42	0.16	0.03–0.86
PG band	0.05	0.01–0.42	0.11	0.01–1.14
Antenatal steroids	21.50	2.43–190.3	6.83	0.64–72.5
African-American race‡	0.60	0.07–5.37	0.87	0.08–9.45
Male infant	0.62	0.14–2.85	1.87	0.25–13.8
Preterm PROM	3.93	0.31–49.1	0.45	0.01–16.9

^*Adjusted for gestational age.

^†Change in risk for each 1 week increment in gestational age or 1 unit increase in L/S ratio.

^‡Compared with all other races.

OR, odds ratio; CI, confidence interval; L/S, lecithin/sphingomyelin; PG, phosphatidylglycerol; PROM, premature rupture of membranes.