Table 4.
Results of Multivariate Model for Development of Hospital-Acquired Infection
| AOR (95% CI) | P Value | |
|---|---|---|
| Agea | 1.02 (1.01–1.04) | .001 |
| Female | 0.70 (0.66–0.75) | <.001 |
| Injury mechanism | ||
| Blunt trauma | 1 [Reference] | |
| Motor vehicle accident | 1.25 (1.15–1.36) | <.001 |
| Gunshot wound | 1.28 (1.12–1.45) | <.001 |
| Stab wound | 1.74 (1.48–2.06) | <.001 |
| Pedestrian trauma | 1.49 (1.34–1.64) | <.001 |
| Low fall | 0.90 (0.82–0.98) | .01 |
| Body region | ||
| Head | 1.32 (1.21–1.43) | <.001 |
| Face | 1.07 (0.99–1.16) | .10 |
| Chest | 1.22 (1.14–1.30) | <.001 |
| Abdomen | 1 [Reference] | |
| Extremity | 0.80 (0.74–0.87) | <.001 |
| Superficial | 1.00 (0.91–1.09) | .94 |
| Comorbidities | ||
| Congestive heart failure | 1.63 (1.48–1.79) | <.001 |
| Hypertension | 0.74 (0.69–0.80) | <.001 |
| Renal failure | 1.70 (1.50–1.92) | <.001 |
| Liver disease | 1.43 (1.21–1.68) | <.001 |
| Paralysis | 1.46 (1.27–1.67) | <.001 |
| Other neurologic disorder | 1.55 (1.41–1.71) | <.001 |
| Chronic pulmonary disease | 1.28 (1.18–1.38) | <.001 |
| Diabetes, chronic complications | 1.57 (1.35–1.82) | <.001 |
| Hypothyroidism | 0.70 (0.61–0.81) | <.001 |
| Coagulation deficiency | 1.73 (1.54–1.93) | <.001 |
| Weight loss | 3.09 (2.66–3.59) | <.001 |
| Fluid and electrolyte disorder | 2.22 (2.05–2.39) | <.001 |
| Blood loss anemia | 1.37 (1.08–1.74) | .009 |
| Deficiency anemia | 1.16 (1.06–1.27) | .002 |
| Depression | 0.89 (0.80–0.99) | .03 |
Abbreviations: AOR, adjusted odds ratio; CI, confidence interval.
a
Age is in increments of 10 years.