Gestational week-specific of uterine artery Doppler indices in predicting preeclampsia: a hospital-based retrospective cohort study

Table 3 Performance of the uterine artery indices in distinguishing early-onset or preterm preeclampsia from variants of normal pregnant women without preeclampsia^*

Gestational weeks at delivery	No. of women	PE type (cases)	Uterine artery parameters	AUC (95%CI)	P value	Youden index
Any weeks	29,628	Early PE (118)	Right PI	0.76 (0.71–0.82)	< 0.001	0.45
			Right RI	0.76 (0.71–0.81)	< 0.001	0.44
			Left PI	0.76 (0.70–0.81)	< 0.001	0.43
			Left RI	0.75 (0.69–0.80)	< 0.001	0.43
< 37	1484	Preterm PE (236)	Right PI	0.72 (0.68–0.76)	< 0.001	0.34
			Right RI	0.70 (0.66–0.74)	< 0.001	0.30
			Left PI	0.71 (0.67–0.75)	< 0.001	0.32
			Left RI	0.69 (0.65–0.73)	< 0.001	0.31
< 37	1354	Early PE (106)	Right PI	0.75 (0.70–0.81)	< 0.001	0.44
			Right RI	0.75 (0.70–0.81)	< 0.001	0.44
			Left PI	0.75 (0.69–0.80)	< 0.001	0.43
			Left RI	0.73 (0.67–0.79)	< 0.001	0.41
< 34	274	Early PE (78)	Right PI	0.77 (0.70–0.84)	< 0.001	0.48
			Right RI	0.77 (0.70–0.83)	< 0.001	0.46
			Left PI	0.78 (0.71–0.84)	< 0.001	0.48
			Left RI	0.76 (0.69–0.83)	< 0.001	0.43

^*The cutoff values for right PI/RI, left PI/RI are 1.11, 0.66, 1.11, and 0.63, respectively

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