Which combination of factors is predictive of a negative bacterial culture in suspected conjunctivitis (pink eye)?

Updated: Oct 22, 2018
  • Author: Michael A Silverman, MD, MD; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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Answer

Answer

In prospective observational cohort study of 368 patients, Meltzer et al sought to identify children at low risk for bacterial conjunctivitis. The combination of 4 clinical factors was found to be independently associated with a negative conjunctival culture result, as follows:

  • Age 6 years or older

  • Presentation in April through November

  • No or watery discharge

  • No glued eye in the morning

When 3 factors were present, 76.4% of patients had a negative culture, and when 4 factors were present, 92.3% of patients had a negative culture result. [1]


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