Characteristics of the study populations (%)
| Variable | All patients | CDI positive |
|---|---|---|
| Age ≥65 years | 210,405 (50.1) | 12,081 (67.6) |
| Male sex | 234,617 (55.9) | 9092 (50.9) |
| Black race | 122,035 (29.1) | 4292 (24.0) |
| Caucasian | 274,645 (65.4) | 12,947 (72.5) |
| AV fistula | 47,732 (11.4) | 1192 (6.7) |
| AV graft | 14,181 (3.4) | 530 (3.0) |
| Dialysis catheter | 293,192 (69.8) | 12,864 (72.1) |
| Inpatient events 90 days prior to C. difficile diagnosis | ||
| ICU stay | NA | 10,771 (60.3) |
| Hospitalization | NA | 14,047 (78.7) |
AV, arteriovenous; CDI, Clostridium difficile infection; ICU, intensive care unit.