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Table 1 Baseline characteristics of the overall cohort and of the three subgroups of patients, according to their FEV1% predicted value

From: Cost of persistent asthma in Italy

 

Overall cohort

Group A

FEV1 ≥ 80%

Group B

FEV1 < 80 ≥ 60%

Group C

FEV1 < 60%

n

817

508

202

107

male sex, %

42.96

43.90

41.09

42.06

age, years

49.06 (±0.64)

43.42 (±0.78)

57.46 (±1.16)

60.00 (±1.17)

FEV1%

87.47 (±0.81)

102.36 (±0.57)

70.71 (±0.41)

48.39 (±0.87)

Relapses, n,a

0.91 (±0.09)

0.75 (±0.09)

0.92 (±0.13)

1.15 (±0.21)

Presence of comorbidities, %

69.16

59.84

81.68

89.72

  1. Mean (±SE, standard error)
  2. FEV1%: forced expiratory volume in 1 s, predicted values
  3. aRelapses with and without hospitalization, in the 12 ± 2 months before the study