Characteristics of all elderly medical admissions
| Characteristic | Discharged alive | Discharged deceased |
| n=409 | 279 | 130 |
| Male (%) | 123 (44.1) | 68 (52.3) |
| Mean CARM score (SD) | 0.07 (0.07) | 0.16 (0.16) |
| Mean medical judgement risk score (SD) | 0.12 (0.14) | 0.26 (0.25) |
| Mean NEWS (SD) | 2 (2.0) | 3.2 (3.2) |
| Alertness | ||
| Alert (%) | 278 (99.6) | 123 (94.6) |
| Pain (%) | 0 (0.0) | 3 (2.3) |
| Voice (%) | 1 (0.4) | 4 (3.1) |
| Unconscious (%) | 0 (0.0) | 0 (0.0) |
| AKI score | ||
| 0 (%) | 271 (97.1) | 122 (93.8) |
| 1 (%) | 5 (1.8) | 5 (3.8) |
| 2 (%) | 2 (0.7) | 2 (1.5) |
| 3 (%) | 1 (0.4) | 1 (0.8) |
| Oxygen supplementation (%) | 50 (17.9) | 42 (32.3) |
| Mean age (years) (SD) | 84.4 (5.5) | 86.7 (6.6) |
| Mean respiratory rate (breaths per minute) (SD) | 18.3 (2.9) | 19.1 (4.4) |
| Mean temperature (oC) (SD) | 36.5 (0.7) | 36.4 (0.8) |
| Mean systolic pressure (mm Hg) (SD) | 135.8 (25) | 124.1 (23.6) |
| Mean diastolic pressure (mm Hg) (SD) | 71 (13.8) | 68.2 (12.4) |
| Mean pulse rate (beats per minute) (SD) | 78.6 (16.4) | 81.6 (18.3) |
| Mean % oxygen saturation (SD) | 96.1 (2) | 95.5 (3.1) |
| Mean albumin (g/L) (SD) | ||
| No imputation (n=313) | 36.7 (4.3) | 33.6 (5.8) |
| With imputation (n=96)* | 36.8 (0.6) | 36.7 (1.0) |
| Mean creatinine (umol/L) (SD) | ||
| No imputation (n=391) | 103.3 (59.2) | 118.7 (75.3) |
| With imputation (n=18)* | 91.7 (10.8) | 88.7 (15.3) |
| Mean haemoglobin (g/L) (SD) | ||
| No imputation (n=391) | 123.3 (20.4) | 117.8 (17.7) |
| With imputation (n=18)* | 121.5 (4.4) | 116.5 (5.0) |
| Mean potassium (mmol/L) (SD) | ||
| No imputation (n=367) | 4.3 (0.5) | 4.4 (0.6) |
| With imputation (n=42)* | 4.3 (0.1) | 4.3 (0.1) |
| Mean sodium (mmol/L) (SD) | ||
| No imputation (n=383) | 136.1 (4.5) | 135.5 (5.7) |
| With imputation (n=26)* | 137.0 (0.4) | 136.8 (0.4) |
| Mean white cell count (109 cells/L) (SD) | ||
| No imputation (n=391) | 10.4 (6.4) | 11.8 (12.8) |
| With imputation (n=18)* | 9.2 (0.3) | 9.25 (0.2) |
| Mean urea (mmol/L) (SD) | ||
| No imputation (n=391) | 9.2 (5.3) | 12.3 (8.9) |
| With imputation (n=18)* | 8.3 (0.8) | 7.9 (1.4) |
↵*Imputed blood test results using age-specific and sex-specific population median values.
AKI, acute kidney injury; CARM, computer-aided risk of mortality; NEWS, National Early Warning Score.