Table 6.

Multivariate Model of Factors Predicting Visual Acuity Improvement of Greater Than 1 Line (>0.1 LogMAR) Using All Eyes^a

Characteristic	No.	OR (95% CI)
Age, y		1.00 (0.99–1.01)
Female	614	1.06 (0.74–1.52)
Surgery	739	1.68 (1.04–2.70)
Treatment with azithromycinb	543	0.74 (0.53–1.02)

Abbreviations: CI, confidence interval; OR, odds ratio.

^aExcluding 60 eyes with baseline visual acuity of light perception or no light perception, or without visual acuity values; n = 818 eyes.

^bCompared with tetracycline.