Table 6. Cox proportional hazards regression for predictors of death within 90 days following C. difficile infection or proxy date, stratified by renal disease.
| Factor | Adjusted Hazard Ratio | p value | 95.0% CI1 for Adjusted Hazard Ratio | |
|---|---|---|---|---|
| Lower | Upper | |||
| Acute myeloid leukaemia not in remission2 | 3.07 | 0.003 | 1.47 | 6.44 |
| C. difficile infection | 20.60 | <0.001 | 8.03 | 52.89 |
| Age 65 and over | 3.08 | <0.001 | 1.70 | 5.59 |
| Cerebrovascular disease | 3.56 | 0.038 | 1.07 | 11.85 |
| Dementia | 10.87 | <0.001 | 3.25 | 36.32 |
| Neutropenia at any time | 2.17 | 0.03 | 1.09 | 4.34 |
| Interaction term—Neutropenia and C. difficile infection | 0.27 | 0.029 | 0.08 | 0.87 |
1 95% confidence intervals
2 Patients were only classified as being in remission if they were in remission for the full duration of the study.