Validation of a brain MRI relaxometry protocol to measure effects of preterm birth at a flexible postnatal age

BMC Pediatrics

Table 2 Effect of GA on relaxometry indices

ROI	Indices	Gestational age (unadjusted)			Days to MRI (unadjusted)			Multivariable
		R²	AIC	p-value	R²	AIC	p-value	R²	AIC
GP	T1	0.50	538	<0.001	0.15	561	0.01	0.57	532
	T2	0.01	442	0.54	0.08	439	0.07	0.12	440
PN	T1	0.31	554	<0.001	0.02	570	0.35	0.54	538
	T2	0.21	351	0.003	0.01	360	0.7	0.68	314
CS	T1	0.19	645	0.003	0.01	654	0.49	0.34	638
	T2	0.16	462	0.01	0.02	469	0.89	0.46	446

ISSN: 1471-2431