Table 2.
Top‐20 Features Derived From the CatBoost Model
| Ranking | Risk factor | Feature importance |
|---|---|---|
| 1 | Total hip BMD | 0.222 |
| 2 | Lumbar spine BMD | 0.112 |
| 3 | Femur neck BMD | 0.101 |
| 4 | Arthralgia score | 0.100 |
| 5 | Creatinine | 0.090 |
| 6 | Homocysteine | 0.086 |
| 7 | AST | 0.076 |
| 8 | Lumbar spine TBS | 0.072 |
| 9 | Fasting glucose | 0.068 |
| 10 | Age | 0.062 |
| 11 | Triglyceride | 0.062 |
| 12 | K‐MMSE | 0.061 |
| 13 | CRP | 0.060 |
| 14 | BMI | 0.058 |
| 15 | Menarche | 0.055 |
| 16 | Platelet | 0.049 |
| 17 | Income status | 0.043 |
| 18 | Previous fracture history | 0.041 |
| 19 | TSH | 0.040 |
| 20 | K‐GDS | 0.038 |
AST = Aspartate aminotransferase; CRP = C‐reactive protein; K‐GDS = Korean geriatric depression score; K‐MMSE = Korean mini‐mental status examination; TBS = trabecular bone score; TSH = thyroid‐stimulating hormone (thyrotropin).