Table 5. Logistic regression analysis using a dependent variable of good visual outcome (more than 20/40 visual acuity) after treatment for endophthalmitis secondary to cataract surgery.

Variable	Univariate analysis		Multivariate analysis
	OR (95% CI)	P	OR (95% CI)	P
Age	1.256 (1.109–1.743)	0.019	1.240 (1.112–1.526)	0.028
Gender	1.052 (1.011–1.418)	0.038	1.032 (0.995–1.171)	0.069
Presenting visual acuity (logMAR)	1.128 (1.050–1.417)	0.001	1.114 (1.090–1.336)	0.004
Time from cataract surgery to signs of endophthalmitis (<3 days or ≥3 days)	2.648 (1.051–4.126)	0.011	2.026 (1.075–3.114)	0.021
Hypopyon at presentation (yes or no)	3.185 (0.929–6.672)	0.119
Positive result of microbial culture (yes or no)	1.009 (0.912–1.266)	0.662
Causative organism (Gram-positive or negative)	1.145 (1.010–1.418)	0.021	1.031 (1.019–1.268)	0.030
Pre-treatment before referral (yes or no)	0.946 (0.942–1.442)	0.451
Primary vitrectomy as initial treatment (yes or no)	0.823 (0.427–1.362)	0.139

Abbreviations: CI, confidence interval; logMAR, logarithm of minimal angle of resolution; OR, odd ratio.