Table 2.

Results of multivariate analyses for late preterm infants

Variable	Univariate	Multivariate
Placental histopathology
Chorioamnionitis	0.22 (0.11–0.44)***	0.33 (0.13–0.79)*
Funisitis	0.19 (0.06–0.59)**	0.59 (0.15–2.37)
Maternal variable
Age (yr)	1.06 (1.01–1.12)*	1.06 (0.998–1.12)
Maternal hypertension	2.75 (1.19–6.35)*	1.09 (0.36–3.26)
Receipt of Magnesium sulfate	3.83 (1.87–7.84)***	2.86 (1.12–7.29)*
Rupture of membrane (hr)	0.34 (0.20–0.59)***	1.002 (0.98–1.03)

Values are presented as odds ratio (confidence interval).

^*P<0.05,

^**P<0.01,

^***P<0.001