Table 3.
Univariate and multivariate linear regression analyses showing the relationship between risk factors and final visual acuity in logMAR units.
| Univariate regression analysis | Multivariate regression analysis | |||||
|---|---|---|---|---|---|---|
| ß coefficient | 95% CI | P value | ß coefficient | 95% CI | P value | |
| Age ≥ 65 years | −1.02 | −2.19 to 0.15 | 0.084 | −1.46 | −3.18 to 0.27 | 0.087 |
| Gender (reference = female) | 0.22 | −0.64 to 1.09 | 0.594 | −0.43 | −1.40 to 0.54 | 0.335 |
| Complicated cataract operation | 2.04 | 0.19 to 3.89 | 0.032a | 1.11 | −0.81 to 3.03 | 0.220 |
| Symptoms duration prior to presentation (days) | 0.04 | −0.27 to 0.34 | 0.801 | 0.08 | −0.23 to 0.39 | 0.589 |
| Presenting visual acuity (logMAR) | 0.56 | −0.31 to 1.42 | 0.195 | 0.04 | −0.65 to 0.72 | 0.908 |
| Significant hypopyon ≥1 mm | 0.61 | −0.25 to 1.47 | 0.151 | 0.30 | −0.33 to 0.93 | 0.303 |
| Absence of fundal view | 0.37 | −0.77 to 1.52 | 0.501 | −0.84 | −1.91 to 0.23 | 0.107 |
| Early PPV | 0.28 | −0.58 to 1.14 | 0.501 | −0.54 | −1.50 to 0.41 | 0.225 |
| Causative organisms | ||||||
| • No growth (reference) | ||||||
| • Staphylococcus | −0.32 | −1.30 to 0.66 | 0.501 | 0.31 | −0.47 to 1.09 | 0.389 |
| • Streptococcus | 1.33 | 0.05 to 2.61 | 0.043a | 1.92 | 0.68 to 3.15 | 0.007a |
| • Non-Staphylococcus, non-Streptococcus | −0.23 | −1.33 to 0.88 | 0.675 | 1.09 | −0.42 to 2.60 | 0.135 |
| Retinal detachment | 1.56 | 0.53 to 2.59 | 0.005a | 1.72 | 0.68 to 2.76 | 0.005a |
95% CI 95% confidence interval, PPV pars plana vitrectomy.
aStatistically significant.