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
F2799-C10852
C10852
Grip strength test performed date and time
Date (and time, if applicable and known) that grip strength testing was done
Exploratory
Grip Strength Fatigue
False
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-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
F2756-C10843
C10843
Imaging analysis software version number
The version number of the software used for quantitative analysis of the imaging study
Supplemental-Highly Recommended
Functional Magnetic Resonance Imaging (fMRI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11651
C11651
Checklist Individual Strength (CIS20R) - subjective fatigue total score
Sum of items 1, 4, 6, 9, 12, 14,16, and 20 (range 8-56). 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-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
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
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
F2748-C17811
C17811
Imaging phase partial Fourier value
Value of the phase partial Fourier ratio, if used in imaging acquisition
Supplemental-Highly Recommended
Diffusion Tensor Imaging (DTI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2754-C10843
C10843
Imaging analysis software version number
The version number of the software used for quantitative analysis of the imaging study
Supplemental-Highly Recommended
Positron Emission Tomography (PET)
False
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
F2799-C10854
C10854
Grip device width setting value
Value of the width setting on the grip device used to test the participant/subject's grip strength
Exploratory
Grip Strength Fatigue
False
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-C11644
C11644
Checklist Individual Strength (CIS20R) - bad form feeling scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: Physically I fell I am in bad form. 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-C11652
C11652
Checklist Individual Strength (CIS20R) - concentration total score
Sum of items 3, 8, 11, 13, 19 (range 5-35). 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-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
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
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
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
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-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
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
F2799-C10855
C10855
Grip strength maximum measurement
Measurement of the maximum grip strength attained in the trial being recorded
Exploratory
Grip Strength Fatigue
False
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