F1026-C11914
C11914
Modified Fatigue Impact Scale (MFIS) - pace physical activity score
Scale for having paced self in the physical activities as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11654
C11654
Checklist Individual Strength (CIS20R) - activity total score
Sum of items 7, 10, 17 (range 3-21). 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
F2754-C58545
C58545
Imaging matrix size axis 1 measurement
Measurement, in voxels, of the axis 1 dimension of the matrix within the anatomy of interest
Supplemental-Highly Recommended
Positron Emission Tomography (PET)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08535
C08535
36-item Short Form Health Survey (SF-36) - Expect worse health score
Score of how true or false surveyee perceived the statement: I expect my health to get worse, as part of version 1.0 of 36-item Short Form Health Survey (SF-36)
Supplemental-Highly Recommended
Short Form 36-Item Health Survey (SF-36)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11922
C11922
Modified Fatigue Impact Scale (MFIS) - physical uncomfort score
Scale for having been physically uncomfortable as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
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
F1026-C11930
C11930
Modified Fatigue Impact Scale (MFIS) - physical sub score
Sum of MFIS Physical items (range: 0-36)
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
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
F1026-C17828
C17828
Modified Fatigue Impact Scale-5-Item Version (MFIS-5) - trouble maintaining long physical effort scale
Scale for having had trouble maintaining physical effort for long periods as part of Modified Fatigue Impact Scale 5-Item Version (MFIS-5) form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2754-C17858
C17858
Imaging voxel size axis 2 measurement
Measurement, in millimeters, of the axis 2 dimension of the voxel within the anatomy of interest
Supplemental-Highly Recommended
Positron Emission Tomography (PET)
False
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
F2170-C08519
C08519
36-item Short Form Health Survey (SF-36) - Work not carefully emotional problems indicator
Indicator for surveyee-reported doing work or other activities not as carefully as usual as a result of emotional problems during the past 4 weeks as part of version 1.0 of 36-item Short Form Health Survey (SF-36)
Supplemental-Highly Recommended
Short Form 36-Item Health Survey (SF-36)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11646
C11646
Checklist Individual Strength (CIS20R) - tire easily scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I tire easily. 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
F2799-C10858
C10858
Grip strength target value
Value of the target grip strength for the grip strength fatigue trial being recorded
Exploratory
Grip Strength Fatigue
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2748-C57933
C57933
Imaging parallel acquisition acceleration factor value
Value of the acceleration factor for the parallel acquisition used, if any, in the MRI sequence being reported
Supplemental-Highly Recommended
Diffusion Tensor Imaging (DTI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11915
C11915
Modified Fatigue Impact Scale (MFIS) - less motivate physical effort score
Scale for having been less motivated to do anything that requires physical effort as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2754-C58546
C58546
Imaging matrix size axis 2 measurement
Measurement, in voxels, of the axis 2 dimension of the matrix within the anatomy of interest
Supplemental-Highly Recommended
Positron Emission Tomography (PET)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08536
C08536
36-item Short Form Health Survey (SF-36) - Excellent health score
Score of how true or false surveyee perceived the statement: My health is excellent, as part of version 1.0 of 36-item Short Form Health Survey (SF-36)
Supplemental-Highly Recommended
Short Form 36-Item Health Survey (SF-36)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11923
C11923
Modified Fatigue Impact Scale (MFIS) - trouble finish task require think score
Scale for having had trouble finishing tasks that require thinking as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
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
F1026-C11931
C11931
Modified Fatigue Impact Scale (MFIS) - cognitive score
Sum of MFIS Cognitive items (range: 0-40)
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
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
F2754-C17859
C17859
Imaging voxel size axis 3 measurement
Measurement, in millimeters, of the axis 3 dimension of the voxel within the anatomy of interest
Supplemental-Highly Recommended
Positron Emission Tomography (PET)
False
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-C11647
C11647
Checklist Individual Strength (CIS20R) - done little activity scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I get little done. 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