Profile of the index and maximum National Early Warning Score (NEWS) and their subcomponents for emergency admissions with respect to their acute kidney injury (AKI) status
| NEWS and its subcomponents | Index values | Maximum values | ||
|---|---|---|---|---|
| Non-AKI (n=32,247) | AKI (n=1,361) | Non-AKI (n=32,247) | AKI (n=1,361) | |
| Mean NEWS (SD) | 2.4 (2.5) | 3.3 (2.8) | 4.2 (2.9) | 6.8 (3.2) |
| Mean respiratory rate [per minute] (SD) | 18.5 (4.6) | 19.7 (5.4) | 19.2 (5.2) | 22.1 (6.6) |
| Mean temperature [oC] (SD) | 36.3 (0.8) | 36.3 (0.9) | 36.2 (0.9) | 36.3 (1.1) |
| Mean systolic pressure [mmHg] (SD) | 136.5 (26.7) | 137.7 (29.6) | 127.8 (31.0) | 124.5 (36.3) |
| Mean diastolic pressure [mmHg] (SD)a | 75.8 (15.3) | 74.5 (16.2) | 71.7 (16.6) | 69.6 (18.6) |
| Mean pulse rate [beats per minute] (SD) | 85.2 (20.9) | 88.2 (21.7) | 85.8 (23.0) | 93.4 (25.6) |
| Mean oxygen saturation [%] (SD) | 96.4 (2.8) | 95.8 (3.5) | 95.5 (3.4) | 93.7 (4.8) |
| Oxygen supplementation | 3,317(10.3%) | 254 (18.7%) | 6,162 (19.1%) | 623 (45.8%) |
| Alert | 31,383 (97.3%) | 1,317 (96.8%) | 30,333 (94.1%) | 1,169 (85.9%) |
↵aNot included in the scoring algorithm for NEWS, but is included in our statistical models.