From: Mortality prediction using SAPS II: an update for French intensive care units
Characteristics | All patients (n = 77,490) | Training set (n = 38,745) | Validation set (n = 38,745) | P |
---|---|---|---|---|
Age (years; mean ± standard deviation) | 56.71 ± 18.91 | 56.70 ± 19.00 | 56.72 ± 18.83 | 0.9422 |
Age (%) | ||||
<40 years | 22.20 | 22.35 | 22.05 | |
40–59 years | 27.95 | 27.77 | 28.13 | |
60–69 years | 18.47 | 18.40 | 18.54 | |
70–79 years | 21.68 | 21.65 | 21.71 | |
>79 years | 9.69 | 9.82 | 9.57 | |
Men (%) | 59.31 | 59.06 | 59.56 | 0.1581 |
Medical patients (%) | 73.49 | 73.46 | 73.53 | 0.8261 |
Patient origin (%) | ||||
Emergency room or mobile emergency unit | 49.94 | 49.75 | 50.13 | 0.1345 |
Ward in same hospital | 39.91 | 39.89 | 39.94 | |
Other hospital | 10.15 | 10.36 | 9.93 | |
Length of hospital stay before ICU admission (%) | ||||
<24 hours | 67.75 | 67.76 | 67.73 | |
1 day | 12.37 | 12.56 | 12.18 | |
2 days | 4.67 | 4.57 | 4.77 | |
3–9 days | 9.5 | 9.59 | 9.42 | |
>9 days | 5.71 | 5.52 | 5.9 | |
Medicine overdose (%) | 11.86 | 11.94 | 11.79 | 0.5122 |
Original SAPS II score | ||||
Maximum | 162.00 | 159.00 | 162.00 | 0.5817 |
Median | 32.00 | 32.00 | 32.00 | |
Minimum | 1 | 1 | 1 | |
ICU mortality (%) | 17.99 | 17.95 | 18.03 | 0.7647 |
Hospital mortality (%) | 21.48 | 21.39 | 21.58 | 0.5289 |