F2170-C08534
C08534
36-item Short Form Health Survey (SF-36) - Healthy as anybody score
Score of how true or false surveyee perceived the statement: I am as healthy as anybody I know, 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-C11921
C11921
Modified Fatigue Impact Scale (MFIS) - muscle weak score
Scale for feeling weak in muscles 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
F1026-C11929
C11929
Modified Fatigue Impact Scale (MFIS) - rest more often longer score
Scale for having needed to rest more often or for longer periods 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
F1026-C17827
C17827
Modified Fatigue Impact Scale-5-Item Version (MFIS-5) - trouble concentrating scale
Scale for having had trouble concentrating 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
F2170-C08510
C08510
36-item Short Form Health Survey (SF-36) - Health limited walking several blocks score
Score of surveyee-reported limited walking several blocks 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
F2170-C08526
C08526
36-item Short Form Health Survey (SF-36) - Times calm peaceful score
Score of times feeling calm and peaceful 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
F1026-C11913
C11913
Modified Fatigue Impact Scale (MFIS) - forgetful score
Scale for having been forgetful 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
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-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
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
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
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
F2715-C11649
C11649
Checklist Individual Strength (CIS20R) - thought wander easily scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: My thoughts easily wander. 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
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
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
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
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
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
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-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
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
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