Table 1.
Comparison of demographical and clinical characteristics at the time of admission to intensive care
| NO AKI (n = 1006) | AKI (n = 877) | P value | |
| Age (yr) | 61.4 (18.8) | 66.2 (16.6) | < 0.0001 |
| Sex, M:F | 1.1:1 (726:662) | 1.1:1 (242:220) | 0.978 |
| Requirement for mechanical ventilation | 46% | 51.5% | 0.01 |
| Severity of illness | |||
| APACHE III | 47.8 (25.3) | 63 (35.7) | < 0.0001 |
| SAPS II | 33.7 (13.8) | 45.9 (17.6) | < 0.0001 |
| Vital signs | |||
| Heart rate (/min) | 99 (22) | 105 (23) | < 0.001 |
| Respiratory rate (/min) | 24 (6.6) | 26 (7.5) | < 0.001 |
| Temperature1 (°C) | 35.3 (0.9) | 35.2 (1.2) | 0.004 |
| Systolic BP1 (mmHg) | 102.9 (16.8) | 96.5 (169) | < 0.001 |
| Diastolic BP1 (mmHg) | 55.8 (12.2) | 52.3 (12.7) | < 0.001 |
| MAP (mmHg) | 71.3 (12.7) | 67.0 (12.8) | < 0.001 |
1
Lowest. Data are presented in mean ± SD; number of patients where data were available for analyses. SAPS II: Simplified acute physiology score II; APACHE III: Acute physiology age and chronic health evaluation III; BP: Blood pressure; MAP: Mean arterial pressure.