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Predictor importance in the random forest model with 10% balancing.
| Feature | Predictor importance, mean (SD) |
| Body temperature | 0. 284 (0.014) |
| Peripheral oxygen saturation | 0.232 (0.011) |
| Heart rate | 0.127 (0.005) |
| Duration | 0.096 (0.009) |
| Respiratory rate | 0.084 (0.005) |
| Systolic blood pressure | 0.081 (0.006) |
| Diastolic blood pressure | 0.072 (0.005) |
| Chief concern | 0.012 (N/A)a |
| Age | 0.010 (N/A) |
| Sex | 0.002 (N/A) |
aN/A: not applicable.
