Table F-16Detailed strength of evidence grading table, measured hearing

Intervention, Outcome, Time to OutcomeNumber of Studies; SubjectsRisk of BiasConsistencyDirectnessPrecisionStrength of Evidence Grade
Magnitude of Effect
Myringotomy + Mitomycin C vs. myringotomy, air-bone gap improvement (3mos)1, 60MediumUnknown, single studyDirectImpreciseInsufficient, no difference, one small study

From: Appendix F, Detailed Strength of Evidence Tables

Cover of Otitis Media With Effusion: Comparative Effectiveness of Treatments
Otitis Media With Effusion: Comparative Effectiveness of Treatments [Internet].
Comparative Effectiveness Reviews, No. 101.
Berkman ND, Wallace IF, Steiner MJ, et al.

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