Table 1.
Patient characteristics by transfer status
| Transferred (n = 82) | Non-transferred (n = 288) | P value | |
|---|---|---|---|
| Age, years | 61 (15) | 65 (15) | 003 |
| Male sex | 49 (60) | 187 (65) | 0.39 |
| sCr, μmol/L | |||
| On admission | 334.1 (358.9) | 195.1 (187.0) | 0.0013 |
| At time of nephrology consult | 459.3 (312.1) | 291.9 (169.9) | <0.0001 |
| On admission to the ICU | 452.2 (325.8) | 214.7 (185.5) | <0.0001 |
| BUN, mmol/L | |||
| On admission | 19.1 (17.3) | 14.6 (12.0) | 0.04 |
| On admission to the ICU | 24.4 (14.6) | 16.1 (12.4) | <0.0001 |
| Diagnostic category | <0.001 | ||
| Medical | 55 (67) | 113 (39) | |
| Surgical | 27 (33) | 175 (60) | |
| Cardiac surgery | 5 (6.1) | 65 (22.6) | 0.0008 |
| Abdominal aortic aneurysm repair | 3 (3.7) | 22 (7.6) | 0.32 |
| ICU type | 0.002 | ||
| Medical-surgical | 66 (80.5) | 179 (62.2) | |
| Coronary care | 8 (9.8) | 31 (10.8) | |
| Cardiovascular surgery | 7 (8.5) | 2 (0.7) | |
| Burn unit | 1 (1.2) | 76 (26.4) | |
| Charlson comorbidity index | 2.7 (2.5) | 2.7 (2.4) | 0.78 |
Continuous variables are presented as means (standard deviation) unless otherwise specified and categorical variables as number (percentage). BUN, blood urea nitrogen; ICU, intensive care unit; sCr, serum creatinine.