Signs and Evidence

Making clinical sense of scientific data

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Ear pain

Otitis media acuta
 Positive likelihood ratio
4.40 ( R Rothman et al. )
3.00 ( Wood JM et al. )
(average) 3.7
Negative likelihood ratio
0.50 ( R Rothman et al. )
0.56 ( Wood JM et al. )
(average) 0.53


Sources used:

1.R Rothman et al. Does this child have acute otitis media? JAMA. 2003 Sep 24;290(12):1633-40
2.Wood JM et al. Acute otitis media in young children Diagnosis and management. Medicine Today 2014; 15(7): 12-2