Table 1. Characteristics of the participants in discovery set.
| Characteristics | Poor LMCs (n=3) | Good LMCs (n=3) | HCs (n=3) | P value |
|---|---|---|---|---|
| Age (mean ± SD), years | 63.0±1.0 | 65.0±7.9 | 65.3±3.1 | 0.827 |
| Gender (female), n (%) | 1 (33.3) | 2 (66.7) | 1 (33.3) | 0.639 |
| Medical history, n (%) | ||||
| Hypertension | 2 (66.7) | 2 (66.7) | 0 | 0.165 |
| Hyperlipidemia | 1 (33.3) | 1 (33.3) | 3 (100.0) | 0.165 |
| Diabetes mellitus | 0 | 0 | 0 | 1.000 |
| Coronary heart disease | 1 (33.3) | 0 | 0 | 0.325 |
| Obesity (BMI ≥25 kg/m2) | 1 (33.3) | 1 (33.3) | 1 (33.3) | 1.000 |
| Current smoking | 2 (66.7) | 1 (33.3) | 1 (33.3) | 0.638 |
HCs, healthy controls; LMCs, leptomeningeal collaterals; SD, standard deviation; BMI, body mass index.