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
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
F2714-C09644
C09644
Fatigue Severity Scale (FSS) - prevent sustain physical function scale
Scale used to describe the extent to which fatigue prevented the patient's sustained 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-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
F2754-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
Positron Emission Tomography (PET)
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
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
F2170-C08516
C08516
36-item Short Form Health Survey (SF-36) - Difficulty work activities physical health indicator
Indicator for surveyee-reported difficulty performing work or other activities as a result of physical health during 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-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
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
F1026-C11911
C11911
Modified Fatigue Impact Scale (MFIS) - unable think clearly score
Scale of having been unable to think clearly 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-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-C11919
C11919
Modified Fatigue Impact Scale (MFIS) - difficult make decision score
Scale for having had difficulty making decisions 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-C11927
C11927
Modified Fatigue Impact Scale (MFIS) - trouble concentrate score
Scale for having had trouble concentrating 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-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
F1026-C17825
C17825
Modified Fatigue Impact Scale-5-Item Version (MFIS-5) - less alert scale
Scale for being less alert 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-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
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
F2170-C08517
C08517
36-item Short Form Health Survey (SF-36) - Cut time on work activities emotional problems indicator
Indicator for surveyee-reported cut down time on work or other activities 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-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
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
F1026-C11912
C11912
Modified Fatigue Impact Scale (MFIS) - clumsy uncoordinated score
Scale for having been clumsy and uncoordinated 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-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
F2170-C08533
C08533
36-item Short Form Health Survey (SF-36) - Sick easier score
Score of how true or false surveyee perceived the statement: I seem to get sick a little easier than other people, 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-C11920
C11920
Modified Fatigue Impact Scale (MFIS) - less motivate activity require think score
Scale for having been less motivated to do anything that requires 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