Saltychev, Mikhail Vastamäki, Heidi Mattie, Ryan McCormick, Zachary Vastamäki, Martti Laimi, Katri Psychometric Properties of the Pain Numeric Rating Scale When Applied to Multiple Body Regions among Professional Musicians - Fig 2 <p><b>Test information curve of numeric rating scales when applied to pain in neck-1 (left image), neck-2 (middle image), and shoulder (right image).</b> Y-axis–Amount of information (inverse standard error) obtainable from a test; X-axis–Level of pain perceived by the respondents.</p> pain NRS;numeric rating scale;Professional Musicians Background;psychometric properties;Item Response Theory;pain severity meaning;Pain Numeric Rating Scale;CI;Methods Cross-sectional survey study;IRT;discrimination ability;Multiple Body Regions;body area 2016-09-07
    https://plos.figshare.com/articles/figure/Psychometric_Properties_of_the_Pain_Numeric_Rating_Scale_When_Applied_to_Multiple_Body_Regions_among_Professional_Musicians_-_Fig_2/3812475
10.1371/journal.pone.0161874.g002