Continuous variables significantly related with mortality at 1 year (analysed using Mann–Whitney U test)
| Mortality at 1 year, median (IQR) | No mortality at 1 year, median (IQR) | p-value | |
|---|---|---|---|
| Age on admission, years | 80.0 (71.0–86.0) | 69.0 (49.0–80.0) | <0.001 |
| Length of stay in hospital, days | 6.0 (3.0–13.0) | 3.0 (2.0–6.0) | <0.001 |
| Plasma glucose on admission, mmol/L | 7.0 (5.8–9.8) | 6.4 (5.5–8.43) | 0.005 |
| Creatinine, μmol/L | 94.0 (70–142.8) | 81.0 (65–105.5) | <0.001 |
| Urea, mmol/L | 9.2 (6.7–14.9) | 6.5 (4.8–9.3) | <0.001 |
| Estimated GFR, mL/min/1.73 m2 | 60.0 (36.0–88.5) | 80.0 (56.5–103.0) | <0.001 |
| Sodium, mmol/L | 138.0 (135.0–140.0) | 139.0 (136.0–141.0) | 0.005 |
| Chloride, mmol/L | 98.0 (94.2–101.6) | 100.2 (97.1–102.6) | <0.001 |
| Osmolality, mOsm/kg | 302.2 (294.6–314.0) | 300.8 (295.0–307.0) | 0.020 |
IQR = interquartile range; GFR = glomerular filtration rate.