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. 2021 May 15;184:106470. doi: 10.1016/j.rmed.2021.106470

Table 1.

Patients’ clinical characteristics.

Patients without comorbidities (n = 49) Patients with comorbidities (n = 46)
Age (years) 61.5 ± 1.6 65.3 ± 1.2
Sex

  •  Man

 41 39

  •  Woman

 8 7
Smokers 3 7
Ex-smokers 20 21
FVC % predicted 76.7 ± 3.2† 72.6 ± 2.9 §
FEV1% predicted 79.9 ± 3,1† 73.2 ± 3.3 §
6MWT (meters) 242.5 ± 14.6 200.5 ± 16.6
Comorbidities

  •  hypertension

 27

  •  valvular heart disease

 7

  •  cardiac arrhythmia

 9

  •  heart failure

 2

  •  ischemic heart disease

 11

  •  hypertrophic cardiomyopathy

 8

  •  COPD

 9

  •  Asthma

 3

  •  Pulmonary fibrosis

 2
Number of comorbidities

  •  one

 11

  •  two

 28

  •  three

 5

  •  four

 2

† spirometry was not available in 11 patients; § spirometry was not available in 21 patients.

Values are expressed as mean ± ES.