Table 4. Univariate and Multivariate Analysis of Potential Risk Factors for Multidrug-Resistant Klebsiella pneumoniae a.
| Variable | MDR K. pneumoniae (N = 116) | P Value | Logistic Regression | ||
|---|---|---|---|---|---|
| Negative, No. (%) | Positive, No. (%) | OR (95% CI) | P value | ||
| Gender | 0.63 | ||||
| Male | 34 (54.8) | 32 (59.3) | |||
| Female | 28 (45.2) | 22 (40.7) | |||
| Age, y | 0.21 | ||||
| ≤ 10 | 16 (25.8) | 7 (13) | |||
| 11-20 | 13 (21) | 8 (14.8) | |||
| 21-60 | 20 (32.3) | 23 (42.6) | |||
| > 60 | 13 (21) | 16 (29.6) | |||
| Admission wards | 0.001 | ||||
| ICU | 3 (4.8) | 16 (29.6) | - | ||
| Pediatric | 16 (25.8) | 5 (9.3) | 0.11 (0.02 - 0.67) | 0.016 | |
| Internal medicine | 6 (9.7) | 10 (18.5) | 0.44 | ||
| Surgery | 12 (19.4) | 5 (9.3) | 0.12 (0.02 - 0.7) | 0.019 | |
| Infectious | 9 (14.5) | 12 (22.2) | 0.35 | ||
| Gynecology | 16 (25.8) | 6 (11.1) | 0.11 (0.02 - 0.6) | 0.012 | |
| Admission duration, d | < 0.001 | ||||
| ≤ 7 | 50 (80.6) | 25 (46.3) | - | ||
| > 7 | 12 (19.4) | 29 (53.7) | 4.2 (1.5 - 11.6) | 0.006 | |
| Diabetes | 0.06 | ||||
| No | 57 (91.9) | 43 (79.6) | - | ||
| Yes | 5 (8.1) | 11 (20.4) | 0.9 | ||
| Renal failure | 0.99 | ||||
| No | 62 (100) | 52 (96.3) | |||
| Yes | 0 (0) | 2 (3.7) | |||
| Admission history | 0.11 | ||||
| No | 56 (90.3) | 43 (79.6) | - | ||
| Yes | 6 (9.7) | 11 (20.4) | 0.9 | ||
| Antibiotic use history | < 0.001 | ||||
| No | 49 (79) | 25 (46.3) | - | ||
| Yes | 13 (21) | 29 (53.7) | 3.2 (1.09 - 9.8) | 0.04 | |
| Corticosteroid use history | 0.01 | ||||
| No | 59 (95.2) | 42 (77.8) | - | ||
| Yes | 3 (4.8) | 12 (22.2) | 0.74 | ||
a Abbreviations: K .pneumoniae, Klebsiella pneumoniae; MDR, multidrug resistant; CI, confidence interval; OR, odds ratio; ICU, intensive care unit.