Table 5.
Initial variables for multivariable S. aureus colonization prediction model.
| Comorbidity | Patient characteristics | Preoperative diagnosis |
|---|---|---|
| Myocardial infarction | Age | Avascular necrosis |
| Congestive heart failure | Female | Infection |
| Peripheral vascular disease | BMI | Unspecified Inflammation |
| Cerebrovascular disease | Hospital site #1 | Fracture |
| Dementia | Hospital site #2 | Tumor |
| Chronic pulmonary disease | Hospital site #3 | Osteoarthritis |
| Rheumatoid arthritis | Hospital site #4 | |
| Peptic ulcer disease | Previous IP stay within 1 month | |
| Mild hepatic disease | Previous IP stay within 2 months | |
| DM without complication | Previous IP stay within 3 months | |
| DM with complication | Previous IP stay within 6 months | |
| Hemiplegia/paralysis | Previous IP stay within 1 year | |
| Chronic kidney disease | ||
| Malignancy except skin cancer | ||
| Moderate/severe hepatic disease | ||
| AIDS/HIV | ||
| Charlson Comorbidity Index |
AIDS: acquired immune deficiency syndrome, BMI: body mass index, DM: diabetes mellitus, HIV: human immunodeficiency virus, and IP: inpatient.