Table 2.
Crude patient outcomes by multimorbidity and frailty risk.
| Total | Multimorbidity by Frailty risk | |||||
|---|---|---|---|---|---|---|
| N (%) | Neither n = 81,788 |
Elevated frailty risk only n = 51,279 |
Multimorbid only n = 37,949 |
Both n = 86,519 |
p-value* | |
| Mortality within 30-days | 28,886 (11.2) | 3854 (4.7) | 4731 (9.2) | 4046 (10.7) | 16,255 (18.8) | < 0.001 |
| Median LOS (days) (IQR) | 5 (2–12) | 2 (1–6) | 6 (2–16) | 4 (2–8) | 8 (3–19) | < 0.001 |
| Prolonged LOS (> 10 days) | 76,585 (29.7) | 11,855 (14.5) | 19,181 (37.4) | 8001 (21.1) | 37,548 (43.4) | < 0.001 |
| Readmission within 30-days | 26,264 (11.2) | 5457 (6.9) | 4727 (10.0) | 3960 (11.4) | 12,120 (16.5) | < 0.001 |
* Differences in proportions tested using χ2 test, and medians using Kruskal Wallis test.