Table 1.
Clinical characteristics of study subjects for the training validation and test sets considered in this study
| Clinical Characteristics | Training Set | Validation Set | MCM Test Set | MCA Test Set | CC Test Set |
|---|---|---|---|---|---|
| (1238) | (n=306) | (n=386) | (n=830) | (n=396) | |
| Agea (yr) | 44.5±11.9 | 43.6±12.1 | 44.6±12.3 | 43.1±12.3 | 41.3±10.6 |
| Sex, n (%) | |||||
| Men | 514 (41) | 127 (41) | 169 (44) | 295 (36) | 153 (39) |
| Women | 724 (59) | 179 (59) | 217 (56) | 535 (64) | 243 (61) |
| BMIa | 28.2±5 | 28.0±5.0 | 28.2±5.0 | 26.7±5.1 | 26.7±4.0 |
| Volumea (reference) | |||||
| Right cortex | 102.1±22.2 | 103.7±22.6 | 104.5±23.7 | 101.5±22.0 | 105.5±20.4 |
| Right medulla | 42.2±11.1 | 43.3±11.7 | 39.5±10.6 | 38.2±8.7 | 39.9±9.7 |
| Left cortex | 104.1±21.7 | 104.2±22.2 | 103.5±22.5 | 101.7±22.4 | 104.9±21.6 |
| Left medulla | 39.2±10.3 | 39.8±10.5 | 42.7±11.1 | 41.1±9.6 | 41.7±10.1 |
MCM, Mayo Clinic Minnesota (Rochester); MCA, Mayo Clinic Arizona; CC, Cleveland Clinic.
a
All data expressed as mean±SD or n (%).