Table 4. Fusarium keratitis: risk factors.
| Risk factor | Singapore56 Multivariate analysis (61 cases, 345 controls) | US:CDC55 Multivariate analysisa (22 cases, 32 controls) |
|---|---|---|
| Contact lens solution | ||
| Brands other than ReNu | 1.0 Referent | 1.0 Referent |
| ReNu MoistureLoc only | 99.3 (18.4–535.4) | 22.3 (3.1–∞) |
| ReNu MultiPlus | 21.5 (4.0–115.5) | NS |
| Contact lens replaced on schedule | Not examined | |
| Yes | 1.0 Referent | |
| No | 4.8 (1.7–13.8) | |
| Reuse solution | NS | —b |
| Did not ‘rub' lenses | Not examined | NSb |
| Hand washing | Not examined | NS |
| Case replacement | Not examined | NS |
| Extended wear | NS | NS |
| Swim in lenses | NSb | NS |
| Demographics: age, gender, income, ethnicity | Age: NS, male (3.3 × ), high income (3.8 × ), Malaysian (3.8 × ) | NS |
Abbreviations: CI, confidence interval; NS, not significant.
a
Controlling for reuse of solution.
b
Significant in univariate analysis.