Table 2.

Comparison of uterine artery Doppler in 2 study groups

Uterine artery Doppler indices	Group I (n = 74)	Group II (n = 176)	P-value
RI	0.77 $\pm$ 0.22 MD: O.83/ IQR: O.22	0.82 $\pm$ 0.19 MD: O.85/ IQR: 0.19	0.24
PI	2.0 $\pm$ 0.82 MD: 1.9/ IQR: 1.23	2.31 $\pm$ 0.99 MD: 2.10/ IQR: 1.23	0.03
PSV	36.62 $\pm$ 6.97 MD: 38/ IQR: 5	35.90 $\pm$ 6.29 MD: 38/ IQR: 5	0.49
Data are presented as Mean $\pm$ SD, Mann-Whitney test, RI: Resistance index, PI: Pulsatility index, PSV: Peak systolic velocity, MD: Median, IQR: Interquartile range