TABLE 1.
Data set summary
| Data set | Acquisition | Before QC | After QC | Gender after QC | Age in years after QC |
|---|---|---|---|---|---|
| C‐MIND | 1 site with 3 T MR scanner | 266 | 182 |
F = 101 M = 81 |
8.77 (4.53) [1.09–18.86] |
| NDAR | 10 sites with 1.5 T and 3 T MR scanner | 147 | 135 |
F = 26 M = 109 |
15.35 (9.33) [6.75–60] |
| ABIDE | 20 sites with 3 T MR scanner | 528 | 450 |
F = 74 M = 376 |
17.50 (7.76) [6.5–56.2] |
| ICBM | 1 sites with 1.5 T MR scanner | 308 | 289 |
F = 140 M = 149 |
33.96 (14.34) [18–80] |
| IXI | 3 sites with 1.5 T and 3 T MR scanner | 588 | 519 |
F = 292 M = 227 |
48.90 (16.38) [19.98–86.2] |
| OASIS1 | 1 sites with 1.5 T MR scanner | 315 | 290 |
F = 182 M = 108 |
45.46 (23.80) [18–94] |
| AIBL | 2 sites with 1.5 T and 3 T MR scanners | 236 | 230 |
F = 121 M = 109 |
72.23 (6.70) [60–89] |
| ADNI 1 | 51 sites with 1.5 T MR scanner | 228 | 218 |
F = 107 M = 111 |
75.87 (5.01) [60–90] |
| ADNI 2 | 14 sites with 3 T MR scanners | 215 | 202 |
F = 109 M = 93 |
74.20 (6.44) [56.3–89] |
| Total | 103 sites with 1.5 T and 3 T scanners | 2,831 | 2,515 |
F = 1,152 (46%) M = 1,363 (54%) |
42.97 (26.07) [1.09–94] |