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Table 2 Lung function and MRC score (n = 681)

From: Sensitivity of the COPD assessment test (CAT questionnaire) investigated in a population of 681 consecutive patients referring to a lung clinic: the first Italian specific study

  Population Men Women t test
FEV1 (% pred) 72.6 ± 24.1 sd 69.7 ± 23.3 sd 79.4 ± 24.7 sd  
FVC (% pred) 88.7 ± 19.4 sd 85.2 ± 18.4 sd 97.0 ± 19.0 sd  
VC (% pred) 88.6 ± 18.7 sd 86.4 ± 18.3 sd 94.1 ± 18.5 sd  
MMEF (% pred) 33.9 ± 21.8 sd 33.9 ± 21.7 sd 33.7 ± 22.0 sd  
FEV1/FVC (%) 62.7 ± 13.2 sd 61.3 ± 13.1 sd 66.1 ± 12.9 sd  
FEV1/VC (%) 60.7 ± 14.5 sd 58.9 ± 14.4 sd 65.0 ± 13.8 sd  
MRC (score) 1.2 ± 1.0 sd 1.2 ± 1.1 sd 1.3 ± 1.0 sd  
CAT (score) 16.6 ± 7.1 16.5 ± 7.1 sd 16.8 ± 7.2 sd ns