Table 1 Participant clinical characteristics

n

19

10

Age, years

50.0 (±18.8)

47.3 (±17.5)

0.707

Sex, male (%)

5 (26)

3 (30)

0.833

BMI

31.9 (±5.4)

25.1 (±3.7)

0.001

Atopy, n (%)

9 (75)

5 (56)

0.350

FEV₁ predicted (%)

97.6 (77.8, 105.9)

108.7 (94.1, 113.7)

0.083

FEV₁/FVC (%)

92.7 (±14.3)

102.3 (±5.4)

0.065

Ex-smokers, n (%)

4 (21)

2 (20)

0.947

Pack years

18.4 (±27.6)

7.5 (±8.8)

0.633

Exhaled CO (ppm)

3 (2, 4)

4 (2, 5)

0.825

Taking ICS, n (%)

15 (79)

N/A

N/A

ICS dose BDP equivalent

1000 (800, 1000)

N/A

N/A

GINA treatment step, n (%):

 1

4 (21)

N/A

N/A

 3

2 (11)

N/A

N/A

 4

13 (68)

N/A

N/A