Table 4.
Associations between patient characteristics and a positive outcome (living at home versus in hospital, newly admitted to a care home or dying after discharge) at 30 days after discharge (n = 5007)
| Variables | N (%; 95%CI) with positive outcome at 30 days | Unadjusted model | Adjusted model |
|---|---|---|---|
| Total N = 5007 | Odds ratio (95% confidence interval) | ||
| Age | |||
| 65–74 (n = 1777) | 1683 (94.7; 93.6–95.7) | 1 | 1 |
| 75–85 (n = 2318) | 2092 (90.3; 89.0–91.4) | 0.52 (0.40–0.66) | 0.64 (0.49–0.83) |
| ≥ 85 (n = 1475) | 1232 (83.5; 81.6–85.3) | 0.28 (0.22–0.36) | 0.43 (0.33–0.56) |
| Sex | |||
| Women (n = 3138) | 2811 (89.6; 88.5–90.6) | 1 | 1 |
| Men (n = 2432) | 2196 (90.3; 89.0–91.4) | 1.08 (0.91–1.29) | 0.90 (0.75–1.09) |
| Deprivation (SIMD quintile) | |||
| 1 most deprived (n = 1151) | 1054 (91.6; 89.8–93.0) | 1.16 (0.85–1.59) | 1.11 (0.81–1.54) |
| 2 (n = 1473) | 1323 (89.8; 88.2–91.3) | 0.95 (0.71–1.26) | 0.92 (0.69–1.25) |
| 3 (n = 1266) | 1131 (89.3; 87.5–90.9) | 0.90 (0.67–1.20) | 0.92 (0.68–1.25) |
| 4 (n = 853) | 752 (88.2; 85.8–90.2) | 0.80 (0.58–1.09) | 0.88 (0.64–1.22) |
| 5 most affluent (n = 827) | 747 (90.3; 88.1–92.2) | 1 | 1 |
| Charlson Comorbidity Index (CCI) | |||
| CCI 0 (n = 1424) | 1284 (90.2; 88.5–91.6) | 1 | 1 |
| CCI 1 (n = 1496) | 1357 (90.7; 89.1–92.1) | 1.06 (0.83–1.36) | 0.87 (0.67–1.13) |
| CCI 2 to 5 (n = 2233) | 2024 (90.6; 89.4–91.8) | 1.06 (0.84–1.32) | 0.97 (0.76–1.23) |
| CCI ≥ 6 (n = 417) | 342 (82.0; 78.0–85.4) | 0.50 (0.37–0.67) | 0.34 (0.24–0.47) |
| Cognitive spectrum disorder | |||
| None (n = 3903) | 3645 (93.4; 92.6–94.1) | 1 | 1 |
| Delirium alone (n = 821) | 704 (85.7; 83.2–88.0) | 0.43 (0.34–0.54) | 0.57 (0.44–0.72) |
| Known dementia (n = 335) | 270 (80.6; 76.0–84.5) | 0.29 (0.22–0.40) | 0.43 (0.31–0.59) |
| Delirium superimposed on dementia (n = 285) | 197 (69.1; 63.4–74.2) | 0.16 (0.12–0.21) | 0.25 (0.18–0.34) |
| Unspecified cognitive impairment (n = 226) | 191 (84.5; 79.2–88.7) | 0.39 (0.26–0.57) | 0.55 (0.37–0.82) |
| No. of medications | |||
| 0–5 (n = 1746) | 1571 (90.0; 88.5–91.3) | 1 | 1 |
| 6–10 (n = 2204) | 1965 (89.2; 87.8–90.4) | 0.92 (0.75–1.13) | 0.96 (0.77–1.19) |
| > 10 (n = 1620) | 1471 (90.8;89.3–92.1) | 1.10 (0.87–1.38) | 1.15 (0.90–1.48) |
| Activities of daily living (ADL) score | |||
| Persistently high ADL (n = 1956) | 1835 (93.8; 92.6–94.8) | 1 | 1 |
| Changed ADL (n = 1341) | 1156 (86.2; 84.3–87.9) | 0.20 (0.16–0.26) | 0.41 (0.32–0.52) |
| Persistently low ADL (n = 681) | 515 (75.6; 72.2–78.8) | 0.41 (0.30–0.52) | 0.63 (0.51–0.78) |
Italic text denotes results which are statistically significant
95%CI 95% confidence interval; SIMD Scottish Index of Multiple Deprivation