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Table 2 Pulmonary Function Test Parameters of the study population (n = 25)

From: MRC chronic Dyspnea Scale: Relationships with cardiopulmonary exercise testing and 6-minute walk test in idiopathic pulmonary fibrosis patients: a prospective study

Parameter n Mean (± SD)
FEV1 (Liters) 25 1.95 ± .51
FEV1% 25 80.4 ± 18.8
FVC (Liters) 25 2.4 ± .6
FVC% 25 77.5 ± 21.8
TLC (Liters) 23 3.5 ± .85
TLC% 23 61.4 ± 13.7
DLCO (mmol/min/kPa) 23 3.6 ± 1.4
DLCO% 23 45.6 ± 13.2
FEV1/FVC 25 .82 ± .04
  1. FEV1 Forced expiratory volume at 1 second, % per cent, FVC Forced vital capacity, TLC Total Lung Capacity, DLCO Diffusion capacity for carbon monoxide, FEV1/FVC: FEV1/FVC ratio