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Demographics of patients who developed C. difficile infection after initially testing negative.
| Developed CDI (n = 493) | Did not developed CDI (n = 16,697) | P value | |
|---|---|---|---|
| Sex, n (%) | |||
| Male | 252 (51) | 7391 (44) | 0.003 |
| Female | 241 (49) | 9306 (56) | |
| Age (year) | |||
| Mean (SD) | 56.8 (17.7) | 57.1 (18.6) | 0.726 |
| Range | 18–95 | 18–106 | |
| BMI | |||
| Mean (SD) | 29 (17.7) | 28 (7.3) | 0.002 |
| Range | 14–79 | 10–100 |
