Table 2.
The results of one-way Chi-square test about exposure factors in MDR-AB infection patients
| Characteristics | Acinetobacter baumannii bacteremia N (%) | P | ||
|---|---|---|---|---|
| MDR-AB (N = 195) | Non-MDRAB (N = 294) | |||
| Sex | Male | 165 (84.6) | 225 (76.5) | 0.03 |
| Female | 30 (15.4) | 69 (23.5) | ||
| Age (y) | < 50 | 10 (5.13) | 58 (19.7) | |
| 50–60 | 22 (11.3) | 131 (44.6) | < 0.001 | |
| 60–70 | 98 (50.3) | 62 (21.1) | ||
| 70–80 | 46 (23.6) | 34 (11.6) | ||
| > 80 | 19 (9.74) | 9 (3.06) | ||
| Recent history of surgery | Yes | 54 (27.7) | 75 (25.5) | 0.59 |
| No | 141 (72.3) | 219 (74.5) | ||
| Comorbidities | < 2 | 165 (84.6) | 246 (83.7) | 0.78 |
| ≥2 | 30 (15.4) | 48 (16.3) | ||
| HAI | Yes | 117 (60.0) | 104 (35.4) | < 0.001 |
| No | 78 (40.0) | 190 (64.6) | ||
| ICU days | < 15d | 24 (12.3) | 78 (26.5) | < 0.001 |
| ≥15d | 171 (87.7) | 216 (73.5) | ||
| Mechanical ventilation | Yes | 177 (90.8) | 210 (71.4) | < 0.001 |
| No | 18 (9.2) | 84 (28.6) | ||
| Indwelling catheters | Yes | 183 (93.8) | 234 (79.6) | < 0.001 |
| No | 12 (6.2) | 60 (20.4) | ||
| Combined use of antimicrobial agents prior to infection | Yes | 174 (89.2) | 246 (83.7) | < 0.001 |
| No | 21 (10.8) | 48 (16.3) | ||
| Use of third-generation cephaloglycin | Yes | 186 (95.4) | 246 (83.7) | < 0.001 |
| No | 9 (4.6) | 48 (16.3) | ||
| Hospitalization times | < 3 | 33 (16.9) | 97 (33.0) | < 0.001 |
| ≥3 | 162 (83.1) | 197 (67.0) | ||
| History of cancer | Yes | 121 (62.1) | 148 (50.3) | 0.01 |
| No | 74 (37.9) | 146 (49.7) | ||
| APACHE II score | < 18 | 117 (60.0) | 228 (77.6) | < 0.001 |
| ≥18 | 78 (40.0) | 66 (22.4) | ||