Table 1 Characteristics of the study group on admission to the intensive care unit according to the presence of end-stage renal disease
From: End-stage renal disease and outcome in a surgical intensive care unit
All patients | ESRD | No ESRD | P value | |
|---|---|---|---|---|
(n = 12,938) | (n = 199) | (n = 12,739) | ||
Age in years, mean ± SD | 62.5 ± 14.9 | 62.4 ± 13.1 | 62.5 ± 14.9 | 0.509 |
Male, n (%) | 8,176 (63.2) | 145 (72.9) | 8,031 (63.0) | 0.004 |
Severity scores, mean ± SD | ||||
SAPS II | 38.3 ± 18.6 | 56.3 ± 20.5 | 38.0 ± 18.4 | <0.001 |
SOFA | 6.0 ± 3.9 | 10.6 ± 4.2 | 6.0 ± 3.8 | <0.001 |
SOFA (without renal points) | 5.7 ± 3.6 | 7.5 ± 4.2 | 5.6 ± 3.6 | <0.001 |
Type of surgery, n (%) | ||||
Cardiothoracic | 5,409 (41.8) | 84 (42.2) | 5,325 (41.8) | 0.145 |
Gastrointestinal | 2,780 (21.5) | 59 (29.6) | 2,721 (21.4) | <0.001 |
Neurosurgery | 2,030 (15.7) | 8 (4.0) | 2,022 (15.9) | <0.001 |
Trauma | 523 (4.0) | 9 (4.5) | 514 (4.0) | 0.229 |
Other surgerya | 2,196 (16.9) | 39 (19.6) | 2,157 (16.9) | 0.001 |
Comorbidities, n (%) | ||||
Diabetes mellitus | 6,749 (52.2) | 148 (74.4) | 6,601 (51.8) | <0.001 |
Arterial hypertension | 2,785 (21.5) | 47 (23.6) | 2,738 (21.5) | 0.469 |
Cancer | 2,501 (19.3) | 19 (9.5) | 2,482 (19.5) | <0.001 |
Heart failure | 1,645 (12.7) | 33 (16.6) | 1,612 (12.7) | 0.099 |
Cirrhosis | 472 (3.6) | 19 (9.5) | 453 (3.6) | <0.001 |