Table 1.

Items assigned to the diagnostic criteria

Instrument  (Description, References)	EORTC QLQ-C30 (containing 30 items) (Quality of Life Questionnaire Core of the EORTC group, [42, 43])
Measured trait	health related quality of life and symptoms in cancer patients
Selected items (corresponding scale)	c10, c12, c18 ([physical] fatigue); c20, c25 (cognitive functioning); c24 (emotional functioning); c3 (physical functioning); c11 (symptom item insomnia)
Instrument  (Description, References)	EORTC QLQ-FA13 (containing 13 items) (Phase III (former) fatigue module of the EORTC group, [27])
Measured trait	cancer-related fatigue
Selected items (corresponding scale)	fa13_11 (dropped in QLQ-FA12); fa13_12 (criteria variable daily activities, labeled as item fa11 in QLQ-FA12)
Instrument  (Description, References)	HADS (containing 14 items) (Hospital Anxiety and Depression Scale, [44, 45])
Measured trait	anxiety and depression in physically impeded patients
Selected items (corresponding scale)	ha1, ha6 (subscale anxiety)
Instrument  (Description, References)	SCNS SF-34 (containing 34 items) (Supportive Care Needs Survey Short-Form, [46–48])
Measured trait	perceived supportive care needs
Selected items (corresponding scale)	s2 (subscale physical and daily living need)