Table 4. Ordinal logistic regression analysis on factors affecting final visual outcome in open globe injuries.
| Variables | Coef. | Wald | 95% CI | P |
| Initial visual acuity (n=115) | ||||
| >6/12 | -3.155 | 8.175 | (-5.317; -0.992) | 0.004 |
| 6/12-3/6 | -2.135 | 13.304 | (-3.282; -0.988) | <0.000 |
| <3/60a | ||||
| Mechanism of injury (n=142) | ||||
| Sharp injury | -1.435 | 1.272 | (-3.930;1.059) | 0.259 |
| IOFB | -4.766E-008 | 0.000 | (-2.690;2.690) | 1.000 |
| Blunt injury | -0.102 | 0.005 | (-2.829; 2.624) | 0.941 |
| Blast injury a | ||||
| Posterior extent of wound (n=142) | ||||
| Restricted to the cornea | -20.506 | 868.619 | (-21.869; -19.142) | <0.000 |
| Anterior to recti insertion | -20.424 | 809.496 | (-21.831; -19.017) | <0.000 |
| Anterior to equator | -18.724 | - | (-18.724; -18.724) | - |
| Posterior to equator a | ||||
| Length (n=142) | ||||
| 1-4mm | -2.526 | 18.637 | (-3.673; -1.379) | <0.000 |
| 5-8mm | -2.097 | 13.543 | (-3.215; -0.980) | <0.000 |
| 9-12mm | -1.162 | 2.967 | (-2.484; 0.160) | 0.085 |
| >13mm a | ||||
| Hyphaema (n=142) | ||||
| None | -2.488 | 25.018 | (-3.464; -1.513) | <0.000 |
| Hyphaema <50% | -1.882 | 13.374 | (-2.890; -0.873) | <0.000 |
| Hyphaema >50% a | ||||
| Presence of vitreous prolapse (n=142) | ||||
| None | -1.305 | 10.529 | (-2.094; -0.517) | 0.001 |
| Present a |
aReference level; P <0.05 is significant.