Table 3.

Intraclass correlation coefficients of placental vascular indices and placental volume.

	ICC	95% CI	p
VI	0.983	0.958–0.993	<0.001 *
FI	0.929	0.821–0.972	<0.001 *
VFI	0.954	0.885–0.982	<0.001 *
Placental volume	0.961	0.903–0.985	<0.001 *

VI: vascularization index; FI: flow index; VFI: vascularization flow index; ICC: intraclass correlation coefficient; CI: confidence interval. * p < 0.05.