These were the final features used in the USAH model.
| CV ID | Feature | Random Forest Importance | XGBoost Importance | RF_Rank | XGB_Rank |
| 14 | CV_best_motor_response_latest | 0.174826215 | 0.10782728 | 1 | 2 |
| 15 | CV_best_verbal_response_latest | 0.106015633 | 0.30963713 | 2 | 1 |
| 39 | CV_best_motor_response_min | 0.102781993 | 0.019513506 | 3 | 9 |
| 19 | CV_eye_opening_response_latest | 0.076838944 | 0.09346603 | 4 | 3 |
| 41 | CV_best_verbal_response_min | 0.065994588 | 0.013773417 | 5 | 17 |
| 3 | AGE_AT_ADMISSION_IN_YEARS | 0.060188792 | 0.03845466 | 6 | 4 |
| 5 | CV_BUN_latest | 0.045562167 | 0.032405857 | 7 | 5 |
| 18 | CV_creatinine_latest | 0.035347883 | 0.014358366 | 8 | 15 |
| 13 | CV_base_excess_istat_latest | 0.032836572 | 0.002259561 | 9 | 42 |
| 30 | CV_sodium_latest | 0.024277992 | 0.006105557 | 10 | 36 |
| 7 | CV_FiO2_latest | 0.018892347 | 0 | 11 | 45 |
| 10 | CV_PCO2_art_latest | 0.015759498 | 0.014896495 | 12 | 11 |
| 27 | CV_potassium_latest | 0.013300088 | 0.03144421 | 13 | 6 |
| 8 | CV_INR_latest | 0.011616151 | 0.00798866 | 14 | 30 |
| 6 | CV_CO2_latest | 0.010755129 | 0.007412681 | 15 | 32 |
| 49 | CV_respiratory_rate_mean | 0.010375911 | 0.014398364 | 16 | 14 |
| 11 | CV_PO2_art_istat_latest | 0.009891463 | 0.014839997 | 17 | 12 |
| 50 | CV_systolic_blood_pressure_mean | 0.008958174 | 0.015388569 | 20 | 10 |
| 34 | CV_temperature_oral_latest | 0.004962791 | 0.021149958 | 35 | 8 |
| 51 | CV_temperature_oral_mean | 0.00237621 | 0.014662734 | 47 | 13 |
| 46 | CV_temperature_oral_max | 0.00148612 | 0.02501568 | 53 | 7 |