Table 1:

Fetal MR imaging scan univariate data

Region	Reader 1							Reader 2							ICC
	NAR			Infant Treatment			P Value	NAR			Infant Treatment			P Value
	No.	Median	IQR	No.	Median	IQR	P Value	No.	Median	IQR	No.	Median	IQR	P Value
Varix ML (mm)	10	18	13–22	4	19	11–25	1.00	10	18	13–24	5	20	12–23	1.00	0.98
Varix AP (mm)	10	30	28–33	4	19	12–25	<.01	9	30	21–34	5	20	16–27	.15	0.75
Varix CC (mm)	10	20	18–21	4	16	8–25	.64	10	18	12–21	5	18	11–23	.77	0.89
Varix V (CM³)	10	5	2–5	4	3	1–5	.73	9	5	2–6	5	5	2–6	1.00	0.93
SS-MD (mm)	10	10	8–12	4	6	4–6	<.01	10	8	5–11	5	3	3–5	<.001	0.95
SS-P (mm)	9	43	39–49	4	28	22–34	<.001	10	39	28–41	5	20	17–31	<.01	0.87
SS-A (mm²)								10	85	56–112	5	20	18–45	<.01
BA-MD (mm)	5	3	3–4	3	3	2–0	.57
R ICA-MD (mm)	5	4	3–5	3	3	2-0	.57
L ICA-MD (mm)	5	3	3–5	3	3	2-0	.39
R Sig-MD (mm)	8	10	9–12	4	6	4–8	<.001	10	7	6–8	5	5	4–6	<.001	0.72
L Sig-MD (mm)	8	11	7–12	4	6	5–7	.05	10	9	7–9	5	6	4–6	<.01	0.94

Note:—AP indicates anterior-posterior diameter; IQR, interquartile range; L, left; ML, mediolateral diameter; R, right; V, volume; ICC, intraclass correlation coefficient. Statistical significance was set using a conservative criterion of P < .01 to account for multiple testing.