| Readmission (N = 331) | No readmission (N = 1176) | p value |
---|---|---|---|
Socio-demographics | Â | Â | Â |
Age | 77.0 (8.2) | 76.1 (7.7) | 0.068 |
Gender (Female) | 159 (48.0%) | 606 (51.5%) | 0.261 |
Ethnicity (Chinese) | 256 (77.3%) | 960 (81.6%) | 0.116 |
Living alone | 12 (3.5%) | 60 (5.2%) | 0.308 |
Admission diagnoses (top 3) | Â | Â | Â |
Sepsis | 110 (33.2%) | 354 (30.1%) | < 0.001 |
Fluid overload/ ACS | 30 (9.1%) | 43 (3.6%) | Â |
Geriatric syndromea | 42 (12.7%) | 193 (16.4%) | Â |
Severity of Illness Index | Â | Â | Â |
Level 1/2 | 196 (59.3%) | 751 (64.0%) | 0.144 |
Level 3 | 134 (40.6%) | 422 (36.0%) | Â |
Length of stay (days) | 6.6 (5.4) | 5.6 (4.4) | < 0.001 |
Caregiver burden (N = 223) |  |  |  |
  High strain | 64 (42.4%) | 31 (43.1%) | 0.909 |
Comorbidity Burden | Â | Â | Â |
Previous admission 1 yr | 206 (62.2%) | 512 (43.5%) | < 0.001 |
Charlson’s Comorbidity Index |  |  | < 0.001 |
  Low | 38 (11.5%) | 281 (23.9%) |  |
  Medium | 128 (38.7%) | 524 (44.6%) |  |
  High | 86 (26.0%) | 231 (20.0%) |  |
  Very high | 79 (24.0%) | 136 (11.6%) |  |
Polypharmacy | 204 (62.2%) | 550 (47.5%) | < 0.001 |
Baseline risk factors | Â | Â | Â |
Clinical Frailty Scale |  |  | < 0.001 |
  Non-frail (CFS 1–4) | 68 (20.5%) | 333 (28.3%) |  |
  Mild frailty (CFS 5) | 148 (44.7%) | 565 (48.0%) |  |
  Moderate frailty (CFS 6) | 58 (17.5%) | 165 (4.0%) |  |
  Severe frailty (CFS 7/8) | 57 (17.2%) | 113 (9.6%) |  |
Depressive symptoms |  |  | < 0.001 |
  PHQ2- / History - | 195 (58.9%) | 834 (71.0%) |  |
  PHQ2- / History + | 9 (2.7%) | 31 (2.6%) |  |
  PHQ2+ / History ± | 86 (26.0%) | 238 (20.3%) |  |
  Uncommunicative | 41 (12.4%) | 71 (6.1%) |  |
Malnutrition | 57 (17.4%) | 133 (11.7%) | 0.007 |
Cognitive impairment | 112 (35.1%) | 328 (28.6%) | 0.025 |
Geriatric syndromes during admission | Â | Â | Â |
Delirium (include subsyndromal) | 47 (14.2%) | 120 (10.2%) | 0.040 |
Functional decline at discharge | 66 (20.3%) | 119 (10.1%) | < 0.001 |
Poor oral intake | 127 (38.7%) | 257 (22.2%) | < 0.001 |