Table 3. Characteristics of the participants in the test set.
| Characteristics | Poor LMCs (n=62) | Good LMCs (n=46) | HCs (n=60) | P value |
|---|---|---|---|---|
| Age (mean ± SD), years | 69.4±11.6 | 67.5±10.5 | 64.8±10.4 | 0.065 |
| Gender (female), n (%) | 24 (38.7) | 18 (39.1) | 34 (56.7) | 0.085 |
| Medical history, n (%) | ||||
| Hypertension | 28 (45.2) | 24 (52.2) | 27 (45.0) | 0.714 |
| Hyperlipidemia | 15 (24.2) | 9 (19.6) | 23 (38.3) | 0.072 |
| Diabetes mellitus | 21 (33.9) | 19 (41.3) | 18 (30.0) | 0.475 |
| Coronary heart disease | 16 (25.8) | 9 (19.6) | 7 (11.7) | 0.138 |
| Obesity (BMI ≥25 kg/m2) | 13 (21.0) | 2 (4.3) | 10 (16.7) | 0.055 |
| Current smoking | 27 (43.5) | 18 (39.1) | 20 (33.3) | 0.510 |
HCs, healthy controls; LMCs, leptomeningeal collaterals; SD, standard deviation; BMI, body mass index.