Table 1.

Demographic characteristics of the participants in the two study groups

	CPR-MOM $\ge$ 0.67 (n = 293)	CPR-MOM $<$ 0.67 (n = 54)	p-value
Maternal age (yr)	30.2 $\pm$ 5.6	28.8 $\pm$ 6.5	0.148
GA at the time of ultrasonography (wk)	38.3 $\pm$ 1.1	38.1 $\pm$ 1.0	0.414
GA at the time of delivery (wk)	38.5 $\pm$ 1.1	38.3 $\pm$ 1.1	0.498
Data presented as Mean $\pm$ SD. Student's t test, CPR-MOM: Cerebroplacental ratio-multiples of the median, GA: Gestational age, CS: Cesarean section, NICU: Neonatal intensive care unit