Research Article
Prevalence of Plasmid-Mediated Quinolone Resistance Genes among Extended-Spectrum β-Lactamase-Producing Klebsiella pneumoniae Human Isolates in Iran
Table 3
Association between patient characteristics and acquisition of extended-spectrum β-lactamase-producing Klebsiella pneumoniae infection.
| | Patient characteristic | ESBL-negative
= 98 (%) | ESBL-positive
= 87 (%) | value |
| | Age | | | | | >50 years | 36 (36.7) | 56 (64.4) | ≤0.001 | | ≤50 years | 62 (63.3) | 31 (35.6) | | Sex | | | | | Male | 27 (27.6) | 39 (44.8) | 0.05 | | Female | 71 (72.4) | 48 (55.2) | | Ward | | | | | ICU | 15 (33.3) | 23 (28) | ≤0.001 | | Internal medicine | 7 (15.6) | 10 (12.2) | | Infectious | 5 (11.1) | 14 (17.1) | | Surgery | 6 (13.3) | 12 (14.6) | | Gynecology | 4 (8.9) | 7 (8.5) | | Pediatric | 5 (11.1) | 7 (8.5) | | Emergency | 1 (2.2) | 6 (7.3) | | CCU | 2 (4.4) | 3 (3.7) | | Sample type | | | 0.001 | | Urine | 74 (75.5) | 45 (51.7) | | CSF | 1 (1) | 1 (1.1) | | Catheters | 1 (1) | 2 (2.3) | | Blood | 5 (5.1) | 1 (1.1) | | Wound | 3 (3.1) | 6 (6.9) | | Respiratory | 14 (14.3) | 32 (36.8) | | Drug resistance | | | | | Fluoroquinolones resistance | 5 (5.1) | 78 (89.7) | ≤0.001 | | Multidrug resistance | 62 (63.3) | 87 (100.0) |
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