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Br J Ophthalmol 83:1027-1031 doi:10.1136/bjo.83.9.1027
  • Original Article
    • Clinical science

Risk factors for treatment outcome of suspected microbial keratitis

Table 8

Significant predictors for positive culture with investigation of suspected microbial keratitis

Characteristics Positive culture Risk ratio 95% CI p Value
No %
Estimates of risk ratio with no adjustment for confounding factors
Ulcer size 5+ mm2 26/35 74.3 2.68 1.80–3.99 <0.001
Ulcer size <5 mm2 23/83 27.7

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