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|Title:||Risk factors and clinical outcomes between fungal and bacterial keratitis: A comparative study|
|Citation:||Wong, T.-Y., Ng, T.-P., Fong, K.-S., Tan, D.T.H. (1997-10). Risk factors and clinical outcomes between fungal and bacterial keratitis: A comparative study. CLAO Journal 23 (4) : 275-281. ScholarBank@NUS Repository.|
|Abstract:||Purpose: Previous studies on fungal and bacterial keratitis were descriptive single case series analysis. We conducted a hospital-based retrospective study to evaluate fungal and bacterial keratitis using a case- control design to compare risk factors and clinical outcomes. Methods: Twenty-nine cases of culture-positive fungal keratitis seen over a 5-year period were compared to 51 cases of culture-positive bacterial keratitis seen over a 21 month period. Using bacterial keratitis as the reference group, case-control odds ratios (OR)for predisposing factors and cohort relative risks (RR) for clinical outcomes associated with fungal keratitis were derived. Mantel-Haenszel adjustment procedures were used to examine the respective roles of confounding and intermediate variables. Results: Compared to bacterial keratitis fungal keratitis was significantly more likely to be associated with ocular trauma (OR=2.69, 95% confidence interval [CI], 1.06- 6.86) but significantly less likely to be associated with contact lens wear (OR=0.16, 95% CI, 0.04-0.67) and preexisting ocular diseases (OR=0.23, 95% CI, 0.07-0.72). Fungal keratitis was o more likely to perforate than bacterial keratitis (RR=5.28, 95% CI, 1.35 20.66) and to require penetrating keratoplasty (OR=5.86, 95% CI, 2.06 16.69). Conclusions: Fungal keratitis appears more likely to result from ocular trauma, whereas bacterial keratitis is more likely to result from contact lens wear and pre-existing ocular diseases. Fungal keratitis is more likely than bacterial keratitis to result in perforation and require penetrating keratoplasty.|
|Source Title:||CLAO Journal|
|Appears in Collections:||Staff Publications|
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