Logistic regression analysis of 30-day mortality
| Variable | OR | SE | P values | 95% CI |
| Clostridium difficile test result | 4.7 | 2.1 | 0.000 | 2.0 to 11.2 |
| Hospitalised 30 days prior to admission | 0.97 | 0.42 | 0.952 | 0.42 to 2.3 |
| Hospitalised 90 days prior to admission | 1.2 | 0.51 | 0.676 | 0.51 to 2.7 |
| Critical care admission | 13.8 | 17.9 | 0.044 | 1.0 to 176 |
| Tuberculosis | 2.3 | 0.91 | 0.038 | 1.0 to 5.0 |
| Gender | 2.8 | 1.3 | 0.031 | 1.1 to 7.2 |
| Multidrug-resistant tuberculosis | 1 | – | – | – |
| Haematochezia | 0.14 | 0.15 | 0.069 | 0.02 to 1.2 |