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Pediatric Pneumonia: Likelihood Ratios

Introduction: None written.

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The likelihood ratios of findings for Pediatric Pneumonia are listed below. See the left navigation bar to change the display.

Pre-Test Probability (Prevalence): %.	Post-Test Probability (Predictive Value): %.	Switch to display mode.
Note that calculating probabilities from more than one** finding is inherently inaccurate because findings are not independent. (For example, using two positive findings that share a common pathogenesis is likely to overestimate the true probability.)

Good Negative Likelihood Ratio
Finding	Result	+LR	-LR
[ + ] Cough	+ 0 -	1.2	0.5
Study: Shah, S. N., Bachur, R. G., Simel, D. L., & Neuman, M. I. (2017). Does This Child Have Pneumonia? JAMA, 318(5), 462. doi:10.1001/jama.2017.9039