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Table 4 Relationships between 6MWD or peak work rate and HRQoL scores, pulmonary function tests and measures of physical activity (r-values)

From: Functional exercise capacity and health-related quality of life in people with asbestos related pleural disease: an observational study

Variable ARPD n=25
  6MWD Peak work rate
FVC, % pred 0.52 0.59
DLCO, % pred 0.50 0.64*
Daily steps 0.38 0.24
Daily METs 0.45 0.22
Daily energy expenditure 0.06 0.25
SGRQ Total −0.57 −0.71*
SGRQ Activity −0.50 −0.70*
  1. *p <0.001, p <0.01, p<0.05.
  2. ARPD = asbestos related pleural disease; n = number; 6MWD = six-minute walk distance; FVC = forced vital capacity; % pred = percentage of predicted value; D L CO = diffusing capacity for carbon monoxide; METs = metabolic equivalent; SGRQ = St George’s Respiratory Questionnaire.