Impact of S aureus infection on overall mortality: results of Cox proportional hazard regression analysis models
| Model | Hazard ratio for death | 95% CI | p Value |
|---|---|---|---|
| Age and sex adjusted models | |||
| Age | 1.02 | 1 to 1.03 | 0.022 |
| Female sex | 0.7 | 0.45 to 1.3 | 0.40 |
| Staphylococcus IE | 2.2 | 1.3 to 3.6 | 0.001 |
| Sex, C index, and usual prognosis variables adjusted models | |||
| Sex | 0.56 | 0.32 to 0.97 | 0.04 |
| C index | 1.3 | 1.17 to 1.44 | <0.0001 |
| Prosthetic valve | 2.5 | 1.17 to 5.3 | 0.017 |
| Major neurological event | 3.2 | 1.7 to 6.2 | 0.0003 |
| Heart failure | 1.8 | 1.12 to 3.04 | 0.015 |
| Abscess | 1.03 | 0.54 to 1.9 | 0.92 |
| Vegetation size | 0.99 | 0.96 to 1.03 | 0.99 |
| Staphylococcus IE | 1.9 | 1.2 to 3.2 | 0.0054 |
| Age, sex, early surgery, and usual prognosis variables adjusted models | |||
| Age | 1 | 0.99 to 1.02 | 0.31 |
| Sex | 0.68 | 0.39 to 1.20 | 0.19 |
| Surgery | 0.53 | 0.29 to 0.95 | 0.035 |
| Prosthetic valve | 2.5 | 1.22 to 5.43 | 0.012 |
| Renal failure | 2.1 | 1.18 to 4.04 | 0.012 |
| Abscess | 1.05 | 0.54 to 2.02 | 0.87 |
| Vegetation size | 1.01 | 0.97 to 1.04 | 0.48 |
| Major neurological event | 3.37 | 1.08 to 6.3 | 0.0001 |
| Heart failure | 2.26 | 1.36 to 3.77 | 0.0016 |
| Staphylococcus IE | 1.8 | 3.1 | 0.017 |