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. 1992 Jan 11;304(6819):96-8.
doi: 10.1136/bmj.304.6819.96.

Diagnostic value of microtympanometry in primary care

R A de Melker  1
Affiliations

Diagnostic value of microtympanometry in primary care

R A de Melker. BMJ. .

Abstract

Objective: To determine the reliability, validity, and feasibility of a new hand held microtympanometer.

Design: Comparison of microtympanometry by two independent observations of a general practitioner and a nurse, and against a validated reference instrument.

Setting: Primary care health centre of a school for the deaf in the United States.

Subjects: 111 schoolchildren receiving a regular check up.

Main outcome measures: Tympanometry with the Grason Stadler 28, classified with a slightly modified Jerger's classification.

Results: Interobserver reliability was 0.95 (Cohen's kappa). Results of microtympanometry were highly comparable with results of the reference instrument (likelihood ratio of positive results, 161.2).

Conclusions: The microtympanometer could be used in general practice: it is hand held, child friendly, easy to handle, and accurate.

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