Comparison between general characteristics of CDI-positive and CDI-negative patients
| CDI positive (N=43) | CDI negative (N=462) | p Value* | |
|---|---|---|---|
| Age, years | 82.6±8.5 | 80.4±10.4 | 0.20 |
| Men | 22 (51.2) | 216 (46.8) | 0.41 |
| Mean hospital stay before transferral to our unit, days | 23±18 | 21±20 | 0.43 |
| Mean length of stay in our unit, days | 30±16 | 14±11 | 0.02 |
| Mean total length of stay, days | 53±28 | 35±27 | 0.03 |
| Number of comorbidities | 3 (3–5) | 3 (2–4) | 0.01 |
| PPI treatment | 40 (93) | 394 (85.8) | 0.19 |
| Antibacterial treatment | 31 (72.1) | 192 (41.6) | <0.001 |
| Antifungal treatment | 10 (23.3) | 57 (12.3) | 0.03 |
| Cardiovascular disease | 23 (53.5) | 255 (55.2) | 0.55 |
| Respiratory disease | 20 (46.5) | 202 (43.7) | 0.91 |
| Dementia | 23 (53.5) | 193 (41.7) | 0.21 |
| Stroke | 17 (39.5) | 133 (28.8) | 0.18 |
| Cancer | 8 (18.6) | 117 (25.4) | 0.40 |
| Chronic kidney disease | 16 (37.2) | 106 (22.9) | 0.05 |
| Liver disease | 7 (16.3) | 41 (8.9) | 0.09 |
Statistically significant differences (p≤0.05) are indicated in bold.
Data are reported as number (%), mean±SD or median (IQR) whenever appropriate.
*Age-adjusted and sex-adjusted when appropriate.
CDI, Clostridium difficile infection; PPI, proton-pump inhibitor.