Diagnostic properties of clinical and imaging tests for detecting acromioclavicular joint pain*

TestSensitivity (95% CI)Specificity (CI)+LR−LR
*Diagnostic terms defined in glossary. CI and −LR calculated from data in article.
Paxinos test79% (59 to 92)50% (19 to 81)1.570.42
Acromioclavicular joint tenderness96% (82 to 100)10% (0.3 to 45)1.070.36
O’Brien test16% (5 to 35)90% (55 to 100)1.600.93
Radiographs41% (23 to 61)90% (55 to 100)4.110.65
Bone scan82% (63 to 94)70% (35 to 93)2.740.26
Magnetic resonance imaging85% (66 to 96)50% (19 to 81)1.700.30