Table 2.

The correlations between various parameters.

Correlation between	Coefficient of determination ( R 2 )	p value
Placenta weight (g) and newborn blood glucose (mg/dL) at 1 h after birth	0.003	0.350
Placenta weight (g) and newborn blood glucose (mg/dL) before the first meal	0.004	0.208
Placenta weight (g) and blood glucose (mg/dL) before the second meal	0.008	0.116
Placenta weight (g) and prepregnancy maternal weight (kg)	0.067	< 0.001⁣∗
Placenta weight (g) and prepregnancy maternal BMI (kg/m2)	0.039	< 0.001⁣∗
Placenta weight (g) and maternal BMI (kg/m2) at delivery	0.059	< 0.001⁣∗
Placenta weight (g) and birth weight (g)	0.303	< 0.001⁣∗
Placenta weight (g) to birth weight (g) ratio and newborn blood glucose (mg/dL) at 1 h after birth	0.001	0.412
Placenta weight (g) to birth weight (g) ratio and newborn blood glucose (mg/dL) before the first meal	0.001	0.541
Placenta weight (g) to birth weight (g) ratio and newborn blood glucose (mg/dL) before the second meal	0.005	0.057
Placenta weight (g) to birth weight (g) ratio and prepregnancy maternal weight (kg)	0.017	0.003⁣∗
Placenta weight (g) to birth weight (g) ratio and prepregnancy maternal BMI (kg/m2)	0.008	0.065
Placenta weight (g) to birth weight (g) ratio and maternal BMI (kg/m2) at delivery	0.006	0.149
Placenta weight (g) to birth weight (g) ratio and birth weight	0.039	< 0.001⁣∗
Birth weight (g) and newborn blood glucose (mg/dL) at 1 h after birth	0.010	0.008⁣∗

Abbreviation: BMI, body mass index.

⁣^∗p value: statistically significant.