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Table 1 Items assigned to the diagnostic criteria

From: Psychometric properties of the fatigue questionnaire EORTC QLQ-FA12 and proposal of a cut-off value for young adults with cancer

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, [46,47,48])

  Measured trait

perceived supportive care needs

  Selected items (corresponding scale)

s2 (subscale physical and daily living need)