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Herniated Disk: Likelihood Ratios

Introduction: None written.

[Edit Diagnosis] [Merge dx] [Add prevalence]

Tags: Musculoskeletal Tag this Diagnosis.

The likelihood ratios of findings for Herniated Disk 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
FindingResult +LR-LR
[ + ] Straight Leg Raise + 0 - 1.20.3
Good Positive Likelihood Ratio
FindingResult +LR-LR
[ + ] Crossed Straight Leg Raise + 0 - 2.40.8
Findings With Unspecified Accuracy
FindingResult +LR-LR
[ + ] Bragard's Sign No accuracy specified.
[ + ] Naffziger's Sign No accuracy specified.