Table 3 Univariate analysis of risk factors of S. maltophilia infections in the ICU
Items | Patients (n = 30) | Control (n = 60) | P value | OR(95%CI) |
|---|---|---|---|---|
Male (sex) | 23 (76.7%) | 38 (63.3%) | 0.263 | 0.565 (0.208–1.534) |
Age (years) | 64.8 ± 19.1 | 65.5 ± 16.9 | 0.873 | |
Leukocyte | 11.5 ± 5.4 | 10.9 ± 4.1 | 0.777 | |
Neutrophil | 9.4 ± 4.9 | 9.4 ± 3.9 | 0.767 | |
Lymphocyte | 1.3 ± 0.9 | 0.9 ± 0.4 | 0.012 | |
Monocyte | 0.7 ± 0.5 | 0.5 ± 0.4 | 0.536 | |
Albumin | 30.6 ± 4.2 | 28.3 ± 5.7 | 0.033 | |
Globulin | 29.0 ± 6.4 | 28.2 ± 7.0 | 0.286 | |
Prealbumin | 129.0 ± 52.3 | 124.8 ± 49.9 | 1.000 | |
Surgeries | 14 (46.7%) | 27 (45.0%) | 0.496 | 0.724 (0.286–1.835) |
Organ transplantation | 5 (16.7%) | 9 (15.0%) | 0.987 | 0.990 (0.296–3.310) |
Malignant tumor | 8 (26.7%) | 15 (25.0%) | 0.894 | 0.933 (0.337–2.585) |
Hypertension | 7 (23.3%) | 15 (25.0%) | 0.923 | 0.949 (0.328–2.748) |
Diabetes | 3 (10.0%) | 9 (15.0%) | 0.397 | 0.547 (0.135–2.213) |
Pulmonary infection | 9 (30.0%) | 16 (26.7%) | 0.990 | 1.007 (0.374–2.712) |
Cardiopathy | 4 (13.3%) | 9 (15.0%) | 0.841 | 0.875 (0.238–3.213) |
Liver injury | 4 (13.3%) | 7 (11.7%) | 0.972 | 1.024 (0.272–3.856) |
Trachea intubation | 12 (40.0%) | 21 (35.0%) | 0.941 | 1.036 (0.406–2.640) |
Chemotherapy | 2 (6.7%) | 3 (5.0%) | 0.843 | 1.205 (0.189–7.681) |
Immunosuppressor | 9 (30.0%) | 17 (28.3%) | 0.867 | 0.920 (0.343–2.464) |
Number of antibiotics | 3.6 ± 1.2 | 3.0 ± 1.1 | 0.029 | |
Carbapenems | 21 (70.0%) | 40 (66.7%) | 0.731 | 1.187 (0.445–3.167) |
Cephalosporins | 20 (66.7%) | 45 (75.0%) | 0.604 | 0.771 (0.289–2.059) |
Quinolones | 16 (53.3%) | 30 (50.0%) | 1.000 | 1.000 (0.396–2.523) |