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Table 1: Characteristics of the 15 patients who had both pre- and postoperative MRI, including DTI, and 11 healthy controls
Patients (n = 15) Healthy Controls (n = 11)
Mean SD Min Max Med Mean SD Min Max Med
Gestational age (wk) 39 1 37 41 39 39 1 38 41 40
Birth weight (g) 3381 452 2560 3990 3340 3466 417 3000 4160 3500
From birth to 1st MRI (days) 8 6 3 27 8 26 5 15 32 26
From birth to 2nd MRI (days) 29 9 16 52 27 
From 1st to 2nd MRI (days) 21 8 11 42 20 
From surgery to 2nd MRI (days) 14 6 7 28 12 
Note:—Min indicates minimum; Max, maximum; Med, median.

	Patients (n = 15)					Healthy Controls (n = 11)
	Mean	SD	Min	Max	Med	Mean	SD	Min	Max	Med
Gestational age (wk)	39	1	37	41	39	39	1	38	41	40
Birth weight (g)	3381	452	2560	3990	3340	3466	417	3000	4160	3500
From birth to 1st MRI (days)	8	6	3	27	8	26	5	15	32	26
From birth to 2nd MRI (days)	29	9	16	52	27
From 1st to 2nd MRI (days)	21	8	11	42	20
From surgery to 2nd MRI (days)	14	6	7	28	12