Table 1.

Characteristics of the children born EPT and full term

Characteristic	EPT	Term	Statistic (P)	EPT	Term	Statistic (P)
	Ignition analysis Value ± SD			Hopf model analysis Value ± SD
	N = 33	N = 26		N = 28	N = 21
Perinatal Data
Gestational age (weeks)	25.7 ± 0.9	39.9 ± 1.1	t − 52.8 (<0.001)	25.7 ± 0.9	39.8 ± 1.2	t − 45.9 (<0.001)
Range	(23.5–26.6)	(37.3–41.5)		(23.5–26,6)	(37.3–41.5)
Birth weight (g)	856.2 ± 173.4	3663 ± 421.0	t − 31.8 (<0.001)	854.6 ± 178.7	3600 ± 387.0	t − 31.8 (<0.001)
Range	[550–1161]	[2.8754100]		[550–1161]	[2875–4100]
Gender (boy/girl)	13/20	14/12	Fisher’s test (0.17)	11/17	9/12	Fisher’s test (0.17)
Age at MRI (years)	10.0 ± 0.8	9.9 ± 0.9	t 0.65 (0.52)	10.14 (0.82)	9.90 (0.92)	t 0.94 (0.34)
Range	9.0–11.5	8.0–11.8		9.0–11.5	8.0–11.8
Motion estimation after AROMA
Average FD-RMS mean SD	0.10 ± 0.05	0.08 ± 0.04	t 1.44 (0.15)	0.10 ± 0.06	0.11 ± 0.12	t − 0.41 (0.68)
Average DVARS-RMS mean SD	5.97 ± 0.84	5.84 ± 0.91	t 0.23 (0.81)	5.96 ± 0.98	5.99 ± 1.05	t − 0.10 (0.91)
Number of frame outliers FD-RMS	19.9 ± 10.12	19.52 ± 9.5	t 0.14 (0.88)	17.57 ± 9.39	19.75 ± 10.27	t − 0.76 (0.45)
Number of frame outliers DVARS	14.4 ± 6.96	14.4 ± 9.14	t 0.02 (0.98)	14.61 ± 5.92	17.14 (1247	t 0.94 (0.35)
Rotation X	0.11 ± 1.78	0.45 ± 1.61	t − 0.73 (0.46)	0.46 ± 1.71	−0.42 ± 1.76	t 1.0 (0.31)
Rotation Y	−0.26 ± 0.60	0.13 ± 0.54	t − 1.03 (0.30)	0.04 ± 0.57	−0.13 ± 0.54	t 0.34 (0.73)
Rotation Z	0.25 ± 1.53	−0.57 ± 1.69	t 1.87 (0.06)	0.30 ± 1.60	−0.60 ± 1.67	t 1.95 (0.06)
Translation X	−0.03 ± 0.19	0.02 ± 0.12	t − 1.29 (0.20)	−0.05 ± 0.25	0.02 ± 0.11	t − 0.54 (0.58)
Translation Y	−0.10 ± 0.48	0.003 ± 0.13	t − 1.09 (0.27)	−0.14 ± 0.53	0.02 ± 0.11	t − 1.10 (0.27)
Translation Z	−0.007 ± 0.22	0.009 ± 0.13	t − 0.31 (0.75)	−0.02 ± 0.29	0.02 ± 0.12	t − 0.26 (0.98)

FD, frame displacement; RMS, root mean square; DVARS, D is temporal derivative of time courses and VARS is RMS variance over voxels.