Table 3.

Multivariate linear regression analysis of soluble mediators associated with birth weight

Parity	PM status	No. of samples	Factor	β	P
Primigravid	PM−	145	Cord leptin	0.464	<.0001
			Cord ferritin	0.103	NS
			Placental TNF-α	−0.061	NS
			Placental IL-10	0.159	NS
			Placental IFN-γ	−0.111	NS
			Placental CXCL9	0.010	NS
			Placental CXCL13	−0.128	NS
	PM+	35	Cord leptin	0.232	NS
			Cord ferritin	0.154	NS
			Placental TNF-α	−0.160	NS
			Placental IL-10	0.434	0.005
			Placental IFN-γ	−0.117	NS
			Placental CXCL9	−0.499	0.002
			Placental CXCL13	−0.317	NS
Secundigravid	PM−	126	Cord leptin	0.273	0.002
			Cord ferritin	0.142	NS
			Placental TNF-α	−0.438	0.002
			Placental IL-10	0.191	NS
			Placental IFN-γ	0.202	NS
			Placental CXCL9	0.054	NS
			Placental CXCL13	−0.162	NS
	PM+	27	Cord leptin	0.320	NS
			Cord ferritin	−0.503	NS
			Placental TNF-α	0.340	NS
			Placental IL-10	0.068	NS
			Placental IFN-γ	−0.010	NS
			Placental CXCL9	0.053	NS
			Placental CXCL13	−0.466	0.05
Multigravid	PM−	297	Cord leptin	0.281	<0.0001
			Cord ferritin	−0.078	NS
			Placental TNF-α	0.092	NS
			Placental IL-10	−0.007	NS
			Placental IFN-γ	0.019	NS
			Placental CXCL9	0.060	NS
			Placental CXCL13	−0.113	NS
	PM+	18	Cord leptin	0.374	NS
			Cord ferritin	−0.328	NS
			Placental TNF-α	−0.045	NS
			Placental IL-10	−0.164	NS
			Placental IFN-γ	−0.136	NS
			Placental CXCL9	−0.186	NS
			Placental CXCL13	−0.136	NS