Table 2.
Distribution of toxin-positive and toxin-negative strains in different hospital units.
| Wards | No. of C. difficilestrains | No. of toxigenicstrains (%) | No. of nontoxigenicstrains (%) |
| ICU/CCU | 211 | 118 (37.34%) | 93 (41.89%) |
| General surgery | 121 | 83 (26.26%) | 38 (17.12) |
| Transplant | 78 | 37 (11.70) | 41 (18.47) |
| Internal medicine | 51 | 32 (10.12%) | 19 (8.56) |
| Burn unit | 27 | 11 (3.48%) | 16 (7.21) |
| Cardiology | 15 | 9 (2.84%) | 6 (2.7) |
| Oncology | 9 | 9 (2.84%) | 0 (0) |
| Orthopedic | 13 | 8 (2.53%) | 5 (2.25) |
| Urology | 6 | 6 (1.89%) | 0 (0) |
| Trauma center | 7 | 3 (0.94) | 4 (1.8) |
| Total | 538 | 316 (100) | 222 (100) |