Table 7. Binary logistic regression analysis for predictors of prolonged length of stay for hospitalized patients with systemic bacterial infection in the internal medicine ward of TASH in 2014, Addis Ababa, Ethiopia.
| Variables | Prolonged LoS (> 16 days) (yes) (%) | COR (95% CI) | AOR (95% CI) |
|---|---|---|---|
| Aspirational pneumonia (yes) | 7(25.9) | 0.38 (0.16, .93)* | 0.56 (0.21, 1.52) |
| Hospital acquired pneumonia (yes) | 17(81.0) | 5.65 (1.85, 17.26)** | 1.18 (0.28, 4.96) |
| Meningitis (yes) | 4(22.2) | 0.22 (0.06, 0.77)* | 0.25 (0.07, 0.93) |
| Origin of infection | |||
| Unknown | 69(413) | 1.00 | (Reference) |
| Community Acquired | 36(45.0) | 1.16 (0.68, 1.99) | 1.83 (0.93, 3.59) |
| Hospital acquired | 24(68.6) | 3.20 (1.42, 6.74)** | 3.01 (1.05, 8.62) |
| Ceftazidime (yes) | 27(75.0) | 3.74 (1.64, 8.52)** | 2.64 (0.90, 7.73) |
| Vancomycin (yes) | 50(61.7) | 2.00 (1.18, 3.41)* | 0.80 (0.34, 1.89) |
| Ciprofloxacin (yes) | 37(61.7) | 2.16 (1.18, 3.91)* | 1.28 (0.60, 2.75) |
| Antibiotic days (median) (> 10 days) | 104 (72.7) | 5.95 (3.56, 9.96) *** | 4.05 (1.96, 8.37) |
| Agent days (median) (> 15 days) | 19(30.2) | 4.24 (2.58, 6.99) | 2.18 (1.01, 4.68) |
| Adjustment to Empiric therapy | |||
| No change | 74(38.3) | 1.00 | (Reference) |
| Modified | 54(66.7) | 3.22 (1.86. 5.55)*** | 1.07 (0.51, 2.27) |
| Discontinued | 1(12.5) | 0.23 (0.03, 1.91) | 1.99 (0.39, 10.12) |
*p < 0.05;
**p< 0.01,
***p< 0.001;
COR: crud odds ratio; AOR: Adjusted odds ratio; CI: confidence interval