Table 3.
The importance score of variables in XGBoost.
| Variables | Importance score |
|---|---|
| The initial TDM | 0.2522 |
| Risperidone dose | 0.0616 |
| Ccr | 0.0598 |
| Weight | 0.0592 |
| BUN | 0.057 |
| WBC | 0.0527 |
| Height | 0.0522 |
| ALT | 0.0512 |
| PLT | 0.0457 |
| MECT | 0.0394 |
| AST | 0.0394 |
| Haloperidol | 0.0381 |
| RBC | 0.0367 |
| Cr | 0.0366 |
| PRL | 0.0341 |
| BMI | 0.0327 |
| Age | 0.0279 |
| TDM interval | 0.0235 |
| Sex | 0 |
| Other_CYP2D6 enzyme inhibitors | 0 |
TDM, therapeutic drug monitoring; BMI, body mass index; PLT, platelet; RBC, red blood cells; WBC, white blood cells; BUN, blood urea nitrogen; Cr, serum creatinine; Ccr, creatinine clearance rate; ALT, alanine transaminase; AST, aspartate transaminase; PRL, prolactin; MECT, modified electroconvulsive therapy.