Chronic Obstructive Pulmonary Disease

COPD Abbreviations and Acronyms (2019)

The following terms are used throughout the Chronic Obstructive Pulmonary Disease (COPD) guideline and systematic review. 

Abbreviation Term
25(OH)D serum vitamin D level or status
6MWD; 12MWD 6-minute walking distance; 12-minute walking distance
6MWT; 12MWT 6-minutes walk test; 12-minute walk test
AE; AECOPD acute exacerbation of COPD
BC body composition
BL baseline
BMI body mass index 
BW body weight
CCQ Clinical COPD Questionnaire 
COPD Chronic Obstructive Pulmonary Disease
CHO(s) carbohydrate(s)
CRQ Chronic Respiratory Disease Questionnaire
DLCO diffusing capacity of the lung for carbon monoxide 
DLW doubly labeled water
EBNPG evidence-based nutrition practice guideline
ERV expiratory reserve volume 
FEF25-75 forced expiratory flow at 25%, 50% or 75% of the FVC
FEV1 forced expiratory volume in 1 minute
FEV1/FVC forced expiratory volume in 1 second/ forced vital capacity ratio
FFMI fat-free mass index
FFM fat-free mass
FRC functional residual capacity 
FVC forced vital capacity
g gram(s)
GOLD Global Initiative for Chronic Obstructive Lung Disease 
HBE Harris-Benedict equation 
HGS handgrip strength 
HRQOL health-related quality of life
IC indirect calorimetry 
IL-6 Interleukin-6
ISWT incremental shuttle walk test 
IU international units 
kcal(s) kilocalorie(s)
kg kilograms 
kJ kilojoules
LBM lean body mass
LF lung function
LTOT long-term oxygen therapy
MAE Moore and Angelillo equation 
MEF maximal expiratory flow 
MEF50 maximal expiratory flow at 50% of the FVC
MET metabolic equivalent of task 
MJ megajoules
MNT medical nutrition therapy
MRC Medical Research Council chronic dyspnea scale
mMRC  modified Medical Research Council chronic dyspnea scale
MRV maximal residual volume
MSJE Mifflin St. Jeor equation
MVV maximum voluntary ventilation 
NNRE Nordic Nutrition Recommendations equation 
NR not reported 
NS not significant 
NW normal weight
OB obese; obesity
OW overweight
PAL physical activity level 
PEF peak expiratory flow 
PFTs pulmonary function tests
PEmax; PmaxE maximal expiratory mouth pressure
PImax; PmaxI maximum inspiratory mouth pressure 
PRO protein 
QAP quadriceps average power 
QOL quality of life
RD; RDN registered dietitian; registered dietitian nutritionist
RMR resting metabolic rate 
RV residual volume
SGRQ St. George's Respiratory Questionnaire
SP sniff pressure
SPPB short physical performance battery 
SR systematic review
SUPPL supplement or supplementation
TEE total energy expenditure 
TLC total lung capacity 
TV tidal volume
UW underweight
VC vital capacity
vit vitamin
WHR waist to hip ratio
WL weight loss

Return to COPD home page