Diagnostic properties of a 3 item screener consisting of nausea, photophobia, and headache related disability for detecting migraine headaches*
| *PPV  =  positive predictive value. Diagnostic terms defined in glossary. | |||||
| Test | Sensitivity (95% CI) | Specificity (CI) | PPV (CI) | +LR | −LR |
| 3 item screener | 81% (77 to 85) | 75% (64 to 84) | 93% (90 to 96) | 3.3 | 0.25 |