TABLE 3.

Results of cross‐sectional, test–retest, and longitudinal analysis.

	Cross‐sectional			Test–retest (<1 year)				Longitudinal (>1 year)
	MAE (years)	r	r, PAD	MAD (years)	Adj MAD (years)	ICC (95% CI)	ICC PAD (95% CI)	Adj MAD (years)	Beta (95% CI)
brainageR	4.04	0.96**	−0.13*	1.27	1.2	0.98 (0.98–0.99)	0.94 (0.92–0.96)	1.82	1.17 (0.68–1.67)
DeepBrainNet	6.13	0.89**	−0.43**	4.25	4.24	0.57 (0.44–0.68)	0.25 (0.08–0.41)	4.93	1.93 (0.8–3.05)
brainage	6.39	0.89**	−0.59**	2.32	2.35	0.94 (0.91–0.96)	0.91 (0.87–0.94)	2.88	0.65 (−0.47 to 1.77)
ENIGMA	9.54	0.66**	−0.59**	6.05	6.0	0.65 (0.53–0.74)	0.69 (0.58–0.77)	6.49	1.47 (−1.12 to 4.07)
pyment	3.56	0.97**	−0.31**	1.18	1.17	0.98 (0.98–0.99)	0.94 (0.91–0.96)	1.7	0.84 (0.44–1.24)
mccqrnn	4.46	0.95**	−0.46**	1.76	1.73	0.97 (0.96–0.98)	0.92 (0.89–0.94)	1.98	1.14 (0.60–1.67)

Note: Adj, adjusted; Beta, slope of linear mixed effects model fitted to assess the relation between progressed predicted age and progressed chronological age; r, Pearson's correlation coefficient, associated p‐value.

^* p < .01;

^** p < .005.