Pseudogout: Likelihood Ratios

Introduction: None written.

The likelihood ratios of findings for Pseudogout 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.)

Findings With Unspecified Accuracy
Finding	Result	+LR	-LR
[ + ] Chondrocalcinosis		No accuracy specified.
on X-ray. No good studies but 26% of all patients >60yrs have this finding. Also, not all patients with pseudogout have the finding. Study: Ann Intern Med. 2003 Oct 7;139(7):575-88. PMID: 14530229