F2765-C58186
C58186
Laboratory test lipopolyaccharide immunoglobulin negative specify text
Free-text field to specify which immunoglobulin tested yielded negative laboratory test results
Supplemental
Laboratory Tests - Immune Module
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2753-C10596
C10596
Imaging slice over sampling value
Value of the slice over sampling (as a percentage) used in imaging acquisition
Supplemental-Highly Recommended
Magnetic Resonance Imaging (MRI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2765-C58240
C58240
Laboratory test parvovirus IgG positive strain text
Free-text field to specify which strain of parvovirus yielded positive IgG laboratory test results
Supplemental
Laboratory Tests - Immune Module
False
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
F2743-C58418
C58418
Ficoll volume ratio used value
Ficoll volume ratio used
Supplemental
Biomarker-Related Sample and Collection Questions
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F0372-C07096
C07096
Center for Epidemiologic Studies-Depression Scale (CES-D) - depressed indicator
Indicates how often the subject felt depressed in the past week, as part of the Center for Epidemiologic Studies-Depression Scale (CES-D)
Supplemental
Center for Epidemiologic Studies-Depression Scale (CES-D)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2748-C10568
C10568
Imaging radio frequency coil channel count
Number of the coil channels in the radio frequency (RF) coil used for the imaging scan
Supplemental-Highly Recommended
Diffusion Tensor Imaging (DTI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08506
C08506
36-item Short Form Health Survey (SF-36) - Health limited climbing several stairs score
Score of surveyee-reported limited climbing several flights of stairs 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
F2764-C11063
C11063
Parity maternal value
Number of live born children the participant's/subject's mother has delivered
Core
Past and Current Illnesses
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2766-C04814
C04814
Residence type
Type of residence where the participant/subject is currently living
Exploratory
Exposure History
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2708-C12464
C12464
Polysomnography heart rate non-REM sleep value
Value, in beats per minute, of the selected heart rate (HR) measurement during non-rapid eye movement (REM) sleep
Supplemental
Polysomnography (PSG) for ME/CFS
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1807-C00020
C00020
Ethnicity USA category
Category of ethnicity the participant/subject most closely identifies with
Core
General Core
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2749-C17426
C17426
EEG sampling rate indicator
Indicator for Electroencephalography (EEG) sampling rate, commonly recorded in Hz (250-2000 Hz)
Supplemental-Highly Recommended
Non-Quantitative Electroencephalography (EEG)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F0372-C07104
C07104
Center for Epidemiologic Studies-Depression Scale (CES-D) - loneliness indicator
Indicates how often the subject felt lonely in the past week, as part of the Center for Epidemiologic Studies-Depression Scale (CES-D)
Supplemental
Center for Epidemiologic Studies-Depression Scale (CES-D)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2748-C10589
C10589
Imaging shot count
The number of shots used in the imaging echo-planner acquisition
Supplemental-Highly Recommended
Diffusion Tensor Imaging (DTI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2727-C09578
C09578
Brief Pain Inventory (BPI) - least pain rating scale
Scale indicating the rating of the least pain experienced by the subject, as part of the Brief Pain Inventory (BPI) form
Supplemental-Highly Recommended
Brief Pain Inventory (Short Form)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08514
C08514
36-item Short Form Health Survey (SF-36) - Less accomplished physical health indicator
Indicator for surveyee-reported less accomplishment 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
F2709-C57114
C57114
Rest time count
Count of the time (in minutes) taken at rest
Supplemental
Cardiopulmonary Exercise Testing (CPET)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2749-C17434
C17434
EEG other abnormalities indicator
The yes/no indicator for other electroencephalography (EEG) abnormalities
Supplemental-Highly Recommended
Non-Quantitative Electroencephalography (EEG)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2756-C15595
C15595
Imaging stimulation device model year date
Model year of device used for stimulation
Supplemental-Highly Recommended
Functional Magnetic Resonance Imaging (fMRI)
False
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
F2748-C10691
C10691
Imaging spatially registered template indicator
Indicator as to whether or not imaging is spatially registered to a template for data analysis
Supplemental-Highly Recommended
Diffusion Tensor Imaging (DTI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2727-C09586
C09586
Brief Pain Inventory (BPI) - pain normal work interference scale
Scale assessing how much the pain has interfered with normal work, as part of the Brief Pain Inventory (BPI) form
Supplemental-Highly Recommended
Brief Pain Inventory (Short Form)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08522
C08522
36-item Short Form Health Survey (SF-36) - Pain interfere work score
Score of bodily pain interfering with work (in home and outside) 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