Table 2.
Putative risk factors for culture positive microbial keratitis (total number of culture proven microbial keratitis = 1665).
| Total | Results of culture | |||||
|---|---|---|---|---|---|---|
| Bacterial only | Fungal only | Mixed (bacterial + fungal) | Others* | No growth | ||
| Number of patients | 2170 | 807 | 493 | 343 | 22 | 505 |
| Trauma | 1065 (64) | |||||
| Mud, dust, and soil | 379 (35.6) | 125 | 114 | 72 | 2 | 66 |
| Leaf & vegetable matter | 337 (31.6) | 75 | 121 | 53 | 3 | 85 |
| Stick | 134 (12.6) | 47 | 36 | 12 | 1 | 38 |
| Stone | 59 (5.5) | 22 | 12 | 8 | 1 | 16 |
| Insect | 50 (4.7) | 25 | 14 | 6 | 0 | 5 |
| Finger nail | 43 (4.0) | 16 | 12 | 4 | 1 | 10 |
| Wood piece | 20 (1.9) | 5 | 6 | 3 | 1 | 5 |
| Metal (iron) | 19 (1.8) | 6 | 2 | 3 | 0 | 8 |
| Animal tail, horn | 9 (0.8) | 3 | 3 | 2 | 1 | 0 |
| Glass piece | 9 (0.8) | 1 | 1 | 1 | 0 | 6 |
| Ball | 6 (0.6) | 1 | 1 | 1 | 0 | 3 |
| Contact lens wear | 16 (1.0) | 6 | 0 | 2 | 0 | 8 |
| Use of eye drops (antibiotics) | 322 (19.3) | 84 | 99 | 33 | 2 | 104 |
| Use of traditional eye medicine (oil, leaf juice, milk, etc.) | 282 (16.9) | 64 | 135 | 81 | 0 | 2 |