CFS	Chronic fatigue syndrome
ME	Myalgic encephalomyelitis
ICC	The International Consensus Criteria for ME/CFS
CCC	Canadian Consensus Criteria
CK	Creatine kinase
ESR	Erythrocyte sedimentation rate
DSQ	DePaul Symptom Questionnaires
OUS	Oslo Universitetssykehus (Oslo University Hospital)
BMI	Body mass index
MCHC	Mean corpuscular hemoglobin concentration
MCV	Mean corpuscular volume
hsCRP	High-sensitivity C-reactive protein
TIBC	Total iron binding capacity
ALAT	Alanine transaminase
ASAT	Aspartate aminotransferase
GGT/GT	Gamma-glutamyl transferase
GFR	Glomerular filtration rate
TSH	Thyroid stimulating hormone
HCY	Homocysteine
IgG	Immunoglobulin G
IgG1	Immunoglobulin G subclass 1
IgG2	Immunoglobulin G subclass 2
IgG3	Immunoglobulin G subclass 3
IgG4	Immunoglobulin G subclass 4
IgA	Immunoglobulin A
IgM	Immunoglobulin M
RF	Rheumatoid Factor
Anti-CCP	Anti-cyclic citrullinated peptide
TTGA	Tissue transglutaminase antibody
ALP	Alkaline phosphatase
LDL	Low-density lipoprotein
HDL	High-density lipoprotein
ATP	Adenosine triphosphate
ANCOVA	Analysis of covariance