F2704-C20441
C20441
Beck Depression Inventory II (BDI-II) - Sex interest loss scale
Scale identifying level of loss of interest in sex, as part of the Beck Depression Inventory II (BDI-II)
Supplemental-Highly Recommended
Beck Depression Inventory II (BDI-II)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2704-C20442
C20442
Beck Depression Inventory II (BDI-II) - Total score
Total score, as part of the Beck Depression Inventory II (BDI-II)
Supplemental-Highly Recommended
Beck Depression Inventory II (BDI-II)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09639
C09639
Fatigue Severity Scale (FSS) - low motivation scale
Scale used to describe the extent to which the patient's motivation was lower in the past week, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09640
C09640
Fatigue Severity Scale (FSS) - exercise fatigue scale
Scale used to describe the extent to which exercise brought on the patient's fatigue in the past week, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09641
C09641
Fatigue Severity Scale (FSS) - easy fatigue scale
Scale used to describe the extent to which the patient was easily fatigued in the past week, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09642
C09642
Fatigue Severity Scale (FSS) - interfere physical function scale
Scale used to describe the extent to which fatigue interfered with the patient's physical functioning in the past week, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09643
C09643
Fatigue Severity Scale (FSS) - frequent problem scale
Scale used to describe the extent to which fatigue caused frequent problems for the patient in the past week, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09644
C09644
Fatigue Severity Scale (FSS) - prevent sustain physical function scale
Scale used to describe the extent to which fatigue prevented the patient's sustained physical functioning in the past week, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09645
C09645
Fatigue Severity Scale (FSS) - interfere duty responsibility scale
Scale used to describe the extent to which fatigue interfered with the patient's ability to carry out certain duties and responsibilities, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09646
C09646
Fatigue Severity Scale (FSS) - top 3 disable symptom scale
Scale used to describe the extent to which fatigue is among the patient's three most disabling symptoms, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09647
C09647
Fatigue Severity Scale (FSS) - interfere work family social scale
Scale used to describe the extent to which fatigue interferes with the patient's work, family, or social life, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C10477
C10477
Fatigue Severity Scale (FSS) - total score
Score calculated by adding all scale values, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11631
C11631
Checklist Individual Strength (CIS20R) - tired feeling scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I feel tired. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11632
C11632
Checklist Individual Strength (CIS20R) - active feeling scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I feel very active. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11633
C11633
Checklist Individual Strength (CIS20R) - thought effort scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: Thinking requires effort. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11634
C11634
Checklist Individual Strength (CIS20R) - physically exhausted feeling scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: Physically I feel exhausted. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11635
C11635
Checklist Individual Strength (CIS20R) - do nice thing feeling scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I feel like doing lots of nice things. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11636
C11636
Checklist Individual Strength (CIS20R) - fit feeling scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I feel fit. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11637
C11637
Checklist Individual Strength (CIS20R) - daily activity perception scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I think I do a lot in a day. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11638
C11638
Checklist Individual Strength (CIS20R) - task focus ability scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: When I am doing something, I can keep my thoughts on it. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11639
C11639
Checklist Individual Strength (CIS20R) - powerless feeling scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I feel powerless. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11640
C11640
Checklist Individual Strength (CIS20R) - low activity daily scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I think I do very little in a day. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11641
C11641
Checklist Individual Strength (CIS20R) - focus mind easily scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I find it easy to focus my mind. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11642
C11642
Checklist Individual Strength (CIS20R) - rest scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I am rested. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11643
C11643
Checklist Individual Strength (CIS20R) - concentration effort scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: It takes a lot of effort to concentrate on things. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome