Table 2: Putative risk factors for culture positive microbial keratitis (total number of culture proven microbial keratitis = 1665).

Total Results of culture
Bacterial onlyFungal onlyMixed (bacterial + fungal)Others*No growth

Number of patients217080749334322505
Trauma1065 (64)
Mud, dust, and soil379 (35.6)12511472266
Leaf & vegetable matter337 (31.6) 7512153385
Stick134 (12.6) 473612138
Stone59 (5.5)22128116
Insect50 (4.7)2514605
Finger nail43 (4.0)16124110
Wood piece20 (1.9)56315
Metal (iron)19 (1.8)62308
Animal tail, horn9 (0.8)33210
Glass piece9 (0.8)11106
Ball6 (0.6)11103
Contact lens wear16 (1.0)60208
Use of eye drops (antibiotics)322 (19.3)8499332104
Use of traditional eye medicine (oil, leaf juice, milk, etc.)282 (16.9)641358102