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Table 1 Characteristics of the study population (n = 155)

From: Effect of pulmonary arteriovenous malformations on the mechanical properties of the lungs

AGE (years)

44.4 ± 16.7

MALE SEX (%)

60 (38.7%)

MUTATION

 ENG

56 (36.1%)

 ACVRL1/ALK1

85 (54.8%)

 Smad 4

2 (1.3%)

 No mutation found

12 (7.7%)

PAVMs

 None

88 (56.8%)

 1-3 PAVMs

45 (29.0%)

  ≥ 4 PAVMs

22 (14.2%)

 TLC (% predicted)

99.3 ± 11.8 (n = 151)

 RV (% predicted)

102.5 ± 26.0 (n = 151)

 VC (% predicted)

102.1 ± 13.3 (n = 155)

 FEV1 (% predicted)

101.6 ± 12.9 (n = 155)

 FEV1/VC (%)

83.8 ± 11.8 (n = 155)

 FEF75 (% predicted)

79.8 ± 29.5 (n = 154)

 A-a O2 gradient (mmHg)

12.4 ± 10.9 (n = 151)

  1. (PAVM = pulmonary arteriovenous malformation; TLC = total lung capacity; RV = residual volume; VC = vital capacity; FEV1 = forced expiratory volume in 1 s; FEF75 = forced expiratory flow at 75% of vital capacity; A-a O2 gradient = alveolar–arterial gradient in O2)