| Causes | Frequency | Percentage % | |
| Infectious causes | 197 | 81 | |
| Neoplastic causes | Solid tumors | 12 | 9.6 |
| Hematologic | 11 | ||
| Inflammatory causes | 3 | 1.2 | |
| Without diagnosis | 20 | 8.2 | |
| Total | 243 | 100.00 | |