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Pediatric Pneumonia: Sensitivity and Specificity

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The sensitivity and specificity 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.)

Specific Findings
Finding	Result	Sensitivity	Specificity
[ + ] Hypoxemia	+ 0 -	16%	96%
Defined as O2 sat <95%. 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
[ + ] Grunting	+ 0 -	13%	95%
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
[ + ] Chest Pain	+ 0 -	22%	91%
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

Sensitive Findings
Finding	Result	Sensitivity	Specificity
[ + ] Cough	+ 0 -	88%	25%
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

Negative Findings
Finding	Result	Sensitivity	Specificity
[ + ] Wheezing	+ 0 -	16%	83%
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