Fig. 1From: Graded response model fit, measurement invariance and (comparative) precision of the Dutch-Flemish PROMIS® Upper Extremity V2.0 item bank in patients with upper extremity disordersReliability of the DF-PROMIS-UE v2.0 when using different applications (full item bank, 7-item short form and simulated standard CAT. Shading represents many of the same scores. The density plot represents the distribution of T-scores in the study sampleBack to article page