Table 1.
Distribution of predisposing risk factors and microbiological profile associated with infectious keratitis
| Predisposing factor | n | Percentage risk factor compared to total cases (625 cases) | Bacterial isolate detected | Fungal isolate detected | No organism detected | Mixed bacterial and fungal | Acanthameba |
|---|---|---|---|---|---|---|---|
| Trauma | 151 | 24.2 | 37 | 49 | 61 | 4 | - |
| Previous ocular surgery | 111 | 17.8 | 74 | 12 | 25 | - | - |
| History of prior steroid use | 97 | 15.5 | 59 | 16 | 22 | - | - |
| Associated diabetes mellitus | 52 | 8.3 | 23 | 10 | 19 | - | - |
| No associated risk factor | 214 | 34.2 | 45 | 56 | 105 | - | 3 |
| Total | 625 | 100 | 238 | 143 | 232 | 9 | 3 |