Table V.
Uni- and multivariable logistic regression analysis of factors associated with readmission to an acute hospital from home within 180 days. Multivariable analysis adjusted for age, sex, Scottish Index of Multiple Deprivation, American Society of Anesthesiologists grade, and COVID-19 within 30 days.
| Variable | OR (95% CI) | p-value | |
|---|---|---|---|
| Univariable analysis | Multivariable analysis | ||
| Age | |||
| Per year | 1.04 (1.03 to 1.06) | 1.03 (1.02 to 1.05) | < 0.001 |
| Sex | |||
| Male | Ref | Ref | |
| Female | 0.76 (0.55 to 1.04) | 0.74 (0.53 to 1.04) | 0.081 |
| SIMD quintile | |||
| 1 (most deprived) | Ref | Ref | |
| 2 | 0.74 (0.45 to 1.21) | 0.69 (0.41 to 1.17) | 0.166 |
| 3 | 0.66 (0.39 to 1.10) | 0.59 (0.34 to 1.03) | 0.063 |
| 4 | 0.86 (0.52 to 1.43) | 0.79 (0.46 to 1.37) | 0.408 |
| 5 (least) | 0.83 (0.52 to 1.32) | 0.81 (0.49 to 1.34) | 0.409 |
| ASA grade * | |||
| 1 (healthy) | 0.07 (0.02 to 0.30) | 0.11 (0.03 to 0.47) | 0.003 |
| 2 | 0.41 (0.30 to 0.57) | 0.48 (0.35 to 0.67) | < 0.001 |
| 3 | Ref | Ref | |
| 4 | 1.88 (0.94 to 3.75) | 1.96 (0.95 to 4.02) | 0.067 |
| 5 (moribund) | - | - | - |
| Delirium status: 4AT ≥ 4 | 2.56 (1.50 to 4.35) | 1.79 (1.02 to 3.15) | 0.041 |
| COVID-19-positive (< 30days) | 2.9 (1.13 to 7.45) | 2.72 (1.02 to 7.25) | 0.040 |
*
Patients discharged out of catchment area were excluded from readmission analysis. No patients with ASA grade 5 went home.
ASA, American Society of Anesthesiologists; CI, confidence interval; OR, odds ratio; SIMD, Scottish Index of Multiple Deprivation.