Table 1 Descriptive characteristics of cases with ICU-acquired LRTI and control patients without LRTI
Characteristic | Cases (N = 49) | Controls (N = 49) | P-value* |
|---|---|---|---|
SAPS II† | 48 (36–64) | 50 (38–61) | 0.535 |
Age† | 63 (53–75) | 63 (54–75) | 0.455 |
Males † | 30 (62%) | 30 (62%) | 1.000 |
Time with mechanical ventilation (h) | 444 (182–682) | 84 (0–304) | <.001 |
Surgical ICU | 37 (76%) | 23 (47%) | 0.005 |
Medical ICU | 6 (12%) | 16 (33%) | |
Interdisciplinary ICU | 6 (12%) | 10 (20%) | |
In-house mortality | 14 (29%) | 2 (4%) | 0.002 |
Charlson comorbidity index | 7 (4–8) | 5 (3–8) | 0.350 |
Myokardial infarct | 3 (6%) | 0 (0%) | 0.250 |
Congestive heart failure | 24 (49%) | 19 (39%) | 0.359 |
Peripheral vascular disease | 11 (22%) | 5 (10%) | 0.109 |
Cerebrovascular disease | 23 (47%) | 16 (33%) | 0.265 |
Dementia | 2 (4%) | 1 (2%) | 1.000 |
Chronic lung disease | 11 (22%) | 9 (18%) | 0.791 |
Connective tissue disease | 1 (2%) | 0 | 1.000 |
Peptic ulcer | 0 | 1 (2%) | 1.000 |
Mild liver disease | 6 (12%) | 6 (12%) | 1.000 |
Diabetes without complications | 12 (25%) | 8 (16%) | 0.388 |
Diabetes with complications | 2 (4%) | 2 (4%) | 1.000 |
Renal disease | 25 (51%) | 14 (29%) | 0.027 |
Tumour | 5 (10%) | 13 (27%) | 0.057 |
Moderate or severe liver disease | 4 (8%) | 5 (10%) | 1.000 |
Malignant tumour | 2 (4%) | 6 (12%) | 0.219 |
AIDS | 0 | 1 (2%) | 1.000 |
Hemiplegia | 16 (33%) | 8 (16%) | 0.096 |
Leukemia | 1 (2%) | 0 | 1.000 |
Lymphoma | 0 | 0 | 1.000 |