Table 2.
Variations in length of stay by patient groups in the training subset (n = 645).
| Variable | Positive | Negative | p | ||
|---|---|---|---|---|---|
| n | Length of Stay (Days) | n | Length of Stay (Days) | ||
| ADL/IADL dependence | 230 | 15 (9–25) | 415 | 11 (8–19) | <0.001 |
| Neurological disorders | 245 | 14 (9–23) | 400 | 12 (8–20) | 0.029 |
| Any infection | 441 | 13 (9–22) | 204 | 11 (7–19) | 0.002 |
| Any nosocomial infection | 81 | 25 (18–35) | 564 | 11 (8–18) | <0.001 |
| Nosocomial infection, n = 1 | 72 | 24 (17–32) | <0.001 | ||
| Nosocomial infection, n > 1 | 9 | 62 (59–89) | <0.001 | ||
| Nosocomial infection, n = 2 | 5 | 59 (32–60) | 0.001 | ||
| Nosocomial infection, n = 3 | 2 | 68 (62–63) | 0.016 | ||
| Nosocomial infection, n = 4 | 2 | 113 (90–136) | 0.014 | ||
| Admitted from nursing homes or ICU | 62 | 26 (16–49) | 583 | 12 (8–19) | <0.001 |
| Requiring surgery | 19 | 22 (14–42) | 626 | 12 (8–21) | 0.001 |
| Any oxygen support | 334 | 14 (9–22) | 311 | 12 (7–19) | 0.003 |
| NIMV users | 55 | 16 (10–25) | 590 | 12 (8–21) | 0.016 |