Variable | Class R patients (n= 1,025) | Class I patients (n= 830) | Class F patients (n= 991) | P value |
---|---|---|---|---|
Mean age, years (±SD) | 67.6 (15.8) | 66.7 (15.7) | 64.9 (16.0) | <0.001 |
Males, n (%) | 588 (57.4) | 502 (60.5) | 582 (58.7) | 0.4 |
Mean SAPS II score (±SD) | 45.2 (17.4) | 51.9 (21.2) | 53.8 (20.3) | <0.0001 |
Mean APACHE II score (±SD) | 18 (6.6) | 20.6 (7.1) | 21.4 (7.1) | <0.0001 |
Mean non-renal SOFA score (±SD) | 4.8 (3.1) | 5.8 (3.3) | 5.4 (3.4) | <0.0001 |
Transfer from ward, n (%) | 477 (46.5) | 387 (46.6) | 499 (50.4) | 0.16 |
McCabe class, n (%) | ||||
1 | 608 (59.3) | 476 (57.3) | 582 (58.7) | 0.8 |
2 | 342 (33.4) | 290 (35.0) | 327 (33) | |
3 | 75 (7.3) | 64 (7.7) | 82 (8.3) | |
Admission category, n (%) | ||||
Medical | 754 (73.6) | 592 (71.3) | 697 (70.3) | <0.002 |
Scheduled surgery | 130 (12.7) | 85 (10.2) | 96 (9.7) | |
Unscheduled surgery | 141 (13.8) | 153 (18.4) | 198 (20.0) | |
Chronic coexisting conditions, n (%) | ||||
Cardiac disease | 185 (18.1) | 163 (19.6) | 161 (16.3) | 0.2 |
Respiratory disease | 165 (16.1) | 101 (12.2) | 100 (10.1) | <0.001 |
Liver disease | 61 (6.0) | 59 (7.1) | 58 (5.9) | 0.5 |
Immunodeficiency | 143 (14.0) | 137 (16.5) | 160 (16.2) | 0.2 |
Uncomplicated diabetes mellitus | 125 (12.2) | 90 (10.8) | 105 (10.6) | 0.5 |
Complicated diabetes mellitus | 45 (4.4) | 40 (4.8) | 63 (6.4) | 0.1 |