Table 1 Characteristics of cases with nosocomial VRE infection and controls with nosocomial VSE infection
From: Economic burden of nosocomial infections caused by vancomycin-resistant enterococci
Characteristics | VRE infection (n = 42) | VSE infection (n = 42) | p-value ª |
|---|---|---|---|
Clinical criteria | |||
Age (years)b | 50 (32–65) | 58 (43–67) | 0.190 |
Male | 23 (54.8%) | 23 (54.8%) | 1.000 |
No. of patients on intensive care unit at time of onset of infectionb | 39 (92.9%) | 39 (92.9%) | 1.000 |
Mechanical ventilation (h) | 169 (5–471) | 25 (3–302) | 0.294 |
Charlson comorbidity indexb | 3 (1–4) | 3 (1–4) | 0.906 |
Cardiac insufficiency | 4 (9.5%) | 6 (14.3%) | 0.738 |
Peripheral vascular disease | 1 (2.4%) | 0 (0%) | 1.000 |
Cerebrovascular disease | 4 (9.5%) | 0 (0%) | 0.116 |
Chronic pulmonary disease | 1 (2.4%) | 3 (7.1%) | 0.616 |
Mild liver disease | 10 (23.8%) | 8 (19%) | 0.791 |
Hemi- or paraplegia | 2 (4.8%) | 1 (2.4%) | 1.000 |
Kidney disease | 9 (21.4%) | 7 (16.7%) | 0.782 |
Malignant tumour | 12 (28.6%) | 12 (28.6%) | 1.000 |
Severe liver disease | 3 (7.1%) | 0 (0%) | 0.241 |
Metastasized malignant tumour | 1 (2.4%) | 1 (2.4%) | 1.000 |
Myocardial infarction | 0 (0%) | 2 (4.8%) | 0.494 |
Outcome | |||
LOS (days) after diagnosis of infection | 33 (13–63) | 27 (14–35) | 0.122 |
LOS (days) before diagnosis of infection | 16 (10–26) | 15 (9–25) | 0.730 |
Overall LOS (days) in the hospital | 54 (35–80) | 45 (27–63) | 0.139 |
Death | 14 (33.3%) | 11 (26.2%) | 0.634 |