Immunosuppression | p-value | ||
Yes | No | ||
Subjects n | 663 | 2297 | |
Age years | 63±15 | 61±17 | 0.020 |
Male sex | 407 (61) | 1442 (63) | 0.51 |
SAPS2 | 53±19 | 50±19 | 0.001 |
SOFA | 8±4 | 8±4 | 0.031 |
Chronic disease | |||
Diabetes mellitus | 125 (22) | 443 (19) | 0.80 |
Alcohol abuse | 64 (10) | 294 (13) | 0.028# |
Chronic respiratory failure | 62 (9) | 224 (10) | 0.76 |
COPD | 113 (17) | 381 (17) | 0.78 |
Chronic kidney disease | 88 (13) | 205 (9) | 0.001¶ |
Cirrhosis | 40 (6) | 137 (6) | 0.95 |
Category of admission | <0.001 | ||
Medical | 453 (68) | 1435 (63) | |
Surgical | 165 (25) | 379 (17) | |
Trauma | 45 (7) | 483 (21) |
Data are presented as n (%) or mean±sd, unless otherwise stated. SAPS2: Simplified Acute Physiology Score II; SOFA: Sequential Organ Failure Assessment score; COPD: chronic obstructive pulmonary disease. #: OR 0.72, 95% CI 0.55–0.97; ¶: OR 1.56, 95% CI 1.20–2.04.