Table 2. Predictors of clearance time as detected by culture and/or smear.

Explanatory variable	Relative clearance timea (95% CI)	P-value
Older age, per decade	1.02 (0.17, 6.2)	0.94
Male gender	1.95 (0.57, 6.7)	0.29
Corticosteroid use at presentation	2.46 (0.56, 10.8)	0.23
Longer duration of symptoms, per 100 days	0.79 (0.10, 5.96)	0.82
Worse initial visual acuity, per Snellen line (0.1 logMAR)	1.10 (1.05, 1.16)	<0.0001
Stromal involvement	1.84 (0.22, 15.4)	0.58

Abbreviation: CI, confidence interval.

^aAccording to univariate parametric survival analyses predicting acanthamoebal clearance time.