Table 4.
Predictors of an Adverse Outcomea on Univariate and Multivariate Analysis
| Variable | OR (95% CI) | aOR (95% CI) |
|---|---|---|
| Male sex | 0.56 (0.23–1.31) | |
| Age, per y of age | 1.005 (0.977–1.032) | |
| Diabetes | 1.08 (0.41–2.86) | |
| Chronic renal disease | 1.49 (0.27–8.13) | |
| IVDU | 0.64 (0.13–3.05) | |
| Immunosuppression | 0.91 (0.10–8.45) | |
| Limb weakness at presentation | 2.9 (1.21–6.76), P < .05 | 2.2 (0.84–5.65), P = .10 |
| Sensory loss at presentation | 0.84 (0.29–2.47) | |
| Urinary incontinence | 2.53 (0.76–8.44) | |
| Urinary retention | 0.58 (0.12–2.74) | |
| Required therapeutic intervention | 2.66 (1.27–7.11), P < .05 | 2.78 (1.01–7.01), P = .04 |
| Back pain on discharge | 0.61 (0.11–3.37) | |
| Causative organism identified | 0.48 (0.19–1.24) | 0.36 (0.13–0.99), P = .04 |
| IV antibiotic duration, per d | 0.99 (0.96–1.02) | |
| IV antibiotic duration >4 wk | 0.62 (0.20–1.94) | |
| Baseline C-reactive protein, per mg/dL | 1.001 (0.997–1.004) | |
| Discharge C-reactive protein, per mg/dL | 1.003 (0.994–1.012) | |
| Staphylococcus aureus as causative organism | 0.62 (0.26–1.43) |
Abbreviations: aOR, adjusted odds ratio; CI, confidence interval; IV, intravenous; IVDU, intravenous drug user; OR, odds ratio.
aAdverse outcome was defined as mortality during index admission or attributable readmission within 2 years.