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Sensitivity (Sn), Specificity (Sp), Positive (PPV) and Negative (NPV) Predictive Values Normalized to a 50% Pretest Likelihood of Improvement, and Positive (PLR) and Negative (NLR) Likelihood Ratios for Different Change Thresholds at the Upper Fibers of the Trapezius Muscle (UFT) Site Using the “All 3 Tests” Protocola
The comparator was a Global Perceived Rating of Change change of 3 points (“somewhat better”) or greater.
