Table 3 Risk factors for corneal opacity*.
| Hazard ratio | SE | p Value | 95% CI | |
|---|---|---|---|---|
| Patient characteristics: | ||||
| Age (per 10 years) | 1.092 | 0.143 | 0.502 | 0.845 to 1.410 |
| Female v male | 0.413 | 0.223 | 0.102 | 0.143 to 1.192 |
| Leprosy characteristics: | ||||
| Duration of disease | ||||
| Duration ⩾1 year v < 1 year | 1.469 | 0.563 | 0.316 | 0.693 to 3.115 |
| Reaction at enrolment | ||||
| Type I reaction | 0.636 | 0.344 | 0.403 | 0.221 to 1.836 |
| Type II reaction | 0.590 | 0.717 | 0.664 | 0.055 to 6.378 |
| History of face patch v no face patch | 0.987 | 0.370 | 0.971 | 0.473 to 2.057 |
| Smear at enrolment | ||||
| Bacterial index | 0.866 | 0.125 | 0.317 | 0.652 to 1.149 |
| Smear positive v smear negative | 0.382 | 0.147 | 0.012 | 0.180 to 0.813 |
| Deformity at enrolment | ||||
| Hand deformity | ||||
| Grade 1 deformity v no deformity | 1.055 | 0.552 | 0.919 | 0.378 to 2.942 |
| Grade 2 deformity v no deformity | 0.877 | 0.673 | 0.865 | 0.195 to 3.949 |
| Leg deformity | ||||
| Grade 1 deformity v no deformity | 2.129 | 0.947 | 0.089 | 0.891 to 5.090 |
| Grade 2 deformity v no deformity | 2.961 | 2.348 | 0.171 | 0.626 to 14.009 |
| Grade 2 deformity v no deformity in all limbs | 1.410 | 1.439 | 0.736 | 0.191 to 10.415 |
*SE, standard error; 95% CI, 95% confidence interval.