Table-III.
Risk factors for acquisition of SHV type’s enzyme in P. aeruginosa strains isolated from 123 patients
| Variables |
SHV-positive
(13 patients), No. (%) |
SHV-negative
(110 patients), No. (%) |
OR (95% CI) | P value |
|---|---|---|---|---|
| Mean ± SD age (yr) | 44.92 | 43.06 | 1.85 (-9.9-13.34) | 0.749ns |
| Use of any antibiotics within previous two weeks | 8 (6.6) | 11 (9) | 5.51 (1.85-16.43) | 0.003** |
| Gender, male | 12 (9.8) | 65 (53.3) | 2.09 (0.64-6.72) | 0.161ns |
| Ventilator use | 9 (7.4) | 19 (15.6) | 3.57 (1.29-9.83) | 0.015* |
| Presence of catheter | 10 (8.2) | 22 (18) | 3.63 (1.34-9.84) | 0.011* |
| ICU hospitalization | 13 (10.7) | 36 (29.5) | 3.40 (1.24-9.29) | 0.014* |
| Trauma | 9 (7.4) | 33 (27) | 1.71 (0.64-4.53) | 0.202ns |
| Nosocomial infection | 12 (9.8) | 42 (34.4) | 2.14 (0.80-5.69) | 0.097ns |
| Blood transfusion | 10 (8.2) | 44 (36.1) | 1.31 (0.5o-3.44) | 0.373ns |
| Days of hospitalization | 20 | 102 | 14.34 (2.87-25.8) | 0.003** |
*Significant at the 0.05 level
**Significant at the 0.01 level
ns: not significant