Continuous variables significantly related with re-hospitalisation at 1 year (analysed using Mann–Whitney U test)
| Re-hospitalised, median (IQR) | Not re-hospitalised, median (IQR) | p-value | |
|---|---|---|---|
| Age on admission, years | 76.0 (65.0–83.0) | 68.0 (46.0–79.0) | <0.001 |
| Length of stay in hospital, days | 4.0 (2.0–8.0) | 3.0 (2.0–7.0) | 0.001 |
| Creatinine, μmol/L | 90.0 (69.0–122.0) | 79.0 (64.0–101.0) | <0.001 |
| Urea, mmol/L | 7.8 (5.6–10.9) | 6.2 (4.7–9.2) | <0.001 |
| Estimated GFR, mL/min/1.73 m2 | 70.0 (47.0–94.0) | 82.0 (58.0–105.0) | <0.001 |
| Chloride, mmol/L | 99.6 (95.6–102.20) | 100.3 (96.9–102.6) | 0.012 |
IQR = interquartile range; GFR = glomerular filtration rate.