Table 5. Cox proportional hazards regression analysis for predictors of death within 60 days following C. difficile infection or proxy date.
Factor | Adjusted Hazard Ratio | p value | 95% CI1 for Adjusted Hazard Ratio | |
---|---|---|---|---|
Lower | Upper | |||
Acute myeloid leukaemia not in remission2 | 2.91 | 0.017 | 1.21 | 7.03 |
C. difficile infection | 35.31 | <0.001 | 11.09 | 112.50 |
Age 65 and over | 4.33 | <0.001 | 1.97 | 9.53 |
Cerebrovascular disease | 6.78 | 0.002 | 1.97 | 23.31 |
Dementia | 9.23 | 0.004 | 2.08 | 41.05 |
Neutropenia at any time | 2.94 | 0.015 | 1.23 | 7.00 |
Interaction term—Neutropenia and C. difficile infection | 0.19 | 0.022 | 0.04 | 0.79 |
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.