WPAI-CML: impact on work and activity
CML
The WPAI-CML is a six-item PRO questionnaire that assesses the effect of CML on patients’ ability to work and perform regular activities (recalling the previous 7 days). In patients that report that they are working, three scales are calculated: work time missed (absenteeism), impairment while working (presenteeism), and overall work impairment (productivity). In addition, the questionnaire asks all patients (regardless of if they are working or not) about their general activity impairment. Scores are expressed as percentages out of 100, with higher scores indicating greater impairment [