Acute Otitis Media: Likelihood Ratios

Introduction: None written.

Prevalence

Population / Calculator	Prevalence	Comments / Study / Link
Children 0-2 years visiting a pediatrician	17.4%	JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123
Children 2-5 years visiting a pediatrician	18.1%	JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123
Children 6-10 years visiting a pediatrician	10.5%	JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123
More, Edit...

The likelihood ratios of findings for Acute Otitis Media are listed below. See the left navigation bar to change the display.

Good Positive and Negative Likelihood Ratios

Finding	+LR	-LR	Comments, Study
Immobile Tympanic Membrane	8.4	0	"distinctly immobile" PLR for slightly impaired mobility = 1.1 Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123
Cloudy Tympanic Membrane	11	0.1	PLR for "distinctly red" TM = 2.6 Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123
Bulging Tympanic Membrane	20	0.4	PLR for retracted TM is 1.3 Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123
Parental Diagnosis	3.5	0.4	Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123
Ear Pain	4.4	0.5	Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123

Good Negative Likelihood Ratio

1.4

0.1

Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123

Good Positive Likelihood Ratio

3.2

0.7

Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123

Poorly Diagnostic Findings

Finding	+LR	-LR	Comments, Study
Excessive Crying	1.8	0.7	Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123
Poor Appetite	1.1	1	Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123
Restless Sleep	1.3	0.7	Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123
hearing loss	0.8	1.3	another study had different sens/spec but similar LRs Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123
Cough	0.9	1.2	another study had different sens/spec but similar LRs (1.0) Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123
Rhinitis	1.3	0.6	Study: JAMA. 2003 Sep 24;290(12):1633-40. PMID: 14506123