Table 1.

Participant demographics according to repository. Sample size (N), minimum (min), maximum (max), mean (μ), standard deviation (σ) and the male-to-female (M:F) ratio of participant CAs are shown

								FreeSurfer version
Respiratory	Status	N	Min	Max	µ	σ	M:F	6.0.0	7.1.1
ADNI	CN	370	55	89	75.8	5.1	1:1.08	250	110
NACC	CN	3,027	18	100	69.3	10.7	1:1.99	0	3,027
UKBB	CN	9,997	46	82	64.4	7.8	1:1.11	9,997	0
FITBIR	TBI	214	40	85	55.3	9.9	1:0.59	0	214
ALL		13,608	18	100	65.82	8.89	1:1.27	10,247	3,241