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
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
F2799-C10859
C10859
Grip strength fatigue percent target value
Value of (the percentage of) target grip strength for which grip hold duration is being measured in the grip strength fatigue trial being recorded
Exploratory
Grip Strength Fatigue
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-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-C11648
C11648
Checklist Individual Strength (CIS20R) - activity interest low scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I don't feel like doing anything. 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-C10860
C10860
Grip strength fatigue percent target hold duration
Duration in seconds that the participant was able to hold the grip device at the indicated percentage of the target value in the grip strength fatigue trial being recorded
Exploratory
Grip Strength Fatigue
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2756-C10838
C10838
Imaging voxel size axis 1 measurement
Measurement, in millimeters, of the axis 1 dimension of the voxel within the anatomy of interest
Supplemental-Highly Recommended
Functional Magnetic Resonance Imaging (fMRI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11916
C11916
Modified Fatigue Impact Scale (MFIS) - less motivate social activity score
Scale for having been less motivated to participate in social 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
F2753-C17798
C17798
Imaging contrast agent name
Name of imaging contrast agent used
Supplemental-Highly Recommended
Magnetic Resonance Imaging (MRI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2754-C58547
C58547
Imaging matrix size axis 3 measurement
Measurement, in voxels, of the axis 3 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
F1026-C11924
C11924
Modified Fatigue Impact Scale (MFIS) - difficult organize thought home work score
Scale for having had difficulty organizing thoughts when doing things at home or at work 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-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
F1026-C11932
C11932
Modified Fatigue Impact Scale (MFIS) - psychosocial score
Sum of MFIS Psychosocial items (range: 0-8)
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08505
C08505
36-item Short Form Health Survey (SF-36) - Health limited carrying groceries score
Score of surveyee-reported limited lifting or carrying groceries due to physical health 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-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
F1807-C00015
C00015
Education year count
Number of years of education completed (age 5 and beyond)
Supplemental-Highly Recommended
General Core
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome