Table 1.
Binary Logistic Regression Analysis of Independent Factors for the Occurrence of CRAB-BSI
| Variable, n (%) | CRAB-BSI | CSAB-BSI | P | Multivariate Analysis | ||
|---|---|---|---|---|---|---|
| OR | 95% CI | P | ||||
| Male | 87 (68.0) | 45 (71.4) | 0.627 | |||
| Age ≥65 years | 46 (35.9) | 20 (31.7) | 0.567 | |||
| Hospital-acquired infection | 104 (81.3) | 43 (68.3) | 0.047 | 1.683 | 0.448–6.325 | 0.441 |
| Source of infection of the respiratory tract | 68 (53.1) | 6 (9.5) | <0.001 | 1.645 | 0.345–7.855 | 0.532 |
| Comorbidities | ||||||
| Hypertension | 50 (39.1) | 17 (27.0) | 0.102 | |||
| Diabetes | 31 (24.2) | 8 (12.7) | 0.068 | 3.095 | 0.621–15.433 | 0.168 |
| Cardiovascular disease | 36 (28.1) | 14 (22.2) | 0.384 | |||
| Respiratory disease | 72 (56.3) | 8 (12.7) | <0.001 | 0.767 | 0.180–3.272 | 0.721 |
| Hepatobiliary disease | 35 (27.3) | 16 (25.4) | 0.775 | |||
| Kidney Disease | 43 (33.6) | 7 (11.1) | 0.002 | 4.052 | 0.733–22.401 | 0.109 |
| Invasive operation | ||||||
| Arteriovenous catheterization | 115 (89.8) | 32 (50.8) | <0.001 | 3.276 | 0.810–13.259 | 0.096 |
| Endotracheal intubation | 113 (88.3) | 7 (11.1) | <0.001 | 23.957 | 5.123–112.022 | <0.001 |
| Urinary catheter | 81 (63.3) | 29 (46.0) | 0.024 | 0.307 | 0.073–1.296 | 0.108 |
| Antimicrobial use prior to BSI | ||||||
| Beta-lactam combinations | 59 (46.1) | 22 (34.9) | 0.143 | |||
| Carbapenem | 106 (82.8) | 11 (17.5) | <0.001 | 6.422 | 1.554–26.542 | 0.010 |
| ≥2 antimicrobial drugs | 109 (85.2) | 10 (15.9) | <0.001 | 6.131 | 1.763–21.324 | 0.004 |
Abbreviations: CRAB, carbapenem-resistant Acinetobacter baumannii; CSAB, carbapenem-sensitive Acinetobacter baumannii; BSI, bloodstream infection; OR, odd ratio; CI, confidence interval.