F2799-C10856
C10856
Grip strength unit of measure
Unit of measure (pounds, kilograms, or newtons) for the maximum grip strength attained or for the target in the trial being recorded
Exploratory
Grip Strength Fatigue
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11933
C11933
Modified Fatigue Impact Scale (MFIS) - total score
Total MFIS score (range: 0-84)
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11653
C11653
Checklist Individual Strength (CIS20R) - motivation total score
Sum of items 2, 5, 15, 18 (range 4-28). 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
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
F1026-C11909
C11909
Modified Fatigue Impact Scale (MFIS) - less alert score
Scale for being less alert 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-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
F1026-C11917
C11917
Modified Fatigue Impact Scale (MFIS) - limit ability activity away from home score
Scale for having been limited in the ability to do things away from home 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
F2721-C00015
C00015
Education year count
Number of years of education completed (age 5 and beyond)
Exploratory
Woodcock-Johnson III Test of Cognitive Abilities
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
F1026-C11925
C11925
Modified Fatigue Impact Scale (MFIS) - unable complete task physical effort score
Scale for having been less able to complete tasks that require 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
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
F1026-C17824
C17824
Modified Fatigue Impact Scale-5-Item Version (MFIS-5) - less able complete tasks requiring physical effort scale
Scale for having been less able to complete tasks that require physical effort 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
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
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-C11910
C11910
Modified Fatigue Impact Scale (MFIS) - difficulty pay attention long period score
Scale for having difficulty paying attention for long periods of time 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-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-C11918
C11918
Modified Fatigue Impact Scale (MFIS) - trouble maintain physical effort long time score
Scale for having had trouble maintaining physical effort for long 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
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
F1026-C11926
C11926
Modified Fatigue Impact Scale (MFIS) - think slow down score
Scale for slowed down 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
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