Fig. 2From: Establishing a common metric for patient-reported outcomes in cancer patients: linking patient reported outcomes measurement information system (PROMIS), numerical rating scale, and patient-reported outcomes version of the common terminology criteria for adverse events (PRO-CTCAE)Comparison of Test Characteristic Curves in NRS Anxiety scale and the Difference in Raw Score Values across the Scale between Concurrent Calibration with Linking Constants and Fixed CalibrationBack to article page