Table 4

Mortality prediction. Estimated odds ratio of mortality from univariate and multivariate analysis results

Factor		Boys (710/3256)				Girls (507/3309)
Factor		Univariate	Multivariate			Univariate	Multivariate
Caesarean section	0.48^4-151	0.64^4-151 (0.52 to 0.79)		0.49^4-151	0.66^4-151 (0.52 to 0.83)
Birth weight (per 50 g)	0.77^4-151	0.82^4-151 (0.79 to 0.84)		0.78^4-151	0.81^4-151(0.78 to 0.84)
Antenatal steroids	0.38^4-151	0.47^4-151 (0.35 to 0.63)		0.42^4-151	0.54^4-151 (0.40 to 0.72)
Mother's age (per year)	1.00			0.98^4-151	0.97^4-151 (0.96 to 0.99)
Use of antibiotics	0.95	0.78^4-150 (0.63 to 0.96)		0.83^4-150	0.72^4-151(0.57 to 0.91)
Race (black)	1.13	0.79^4-150 (0.64 to 0.96)		1.01	0.67^4-151 (0.53 to 0.84)
Gestational age	0.62^4-151	0.88^4-151 (0.83 to 0.94)		0.65^4-151	0.90^4-151 (0.85 to 0.96)

↵4-150 p<0.5.
↵4-151 p<0.0001.