Table 2 Characteristics of study patients

Age (y)

50.3 ± 11.3

Gender (female/male)

25/15

Body mass index (kg/m²)

24.1 ± 4.4

Smoking status (never/ex), n

40/0

Atopy, n (%)

30 (75.0 %)

Duration of asthma (y)

10.5 (5.0-19.5)

Combine with rhinitis

28 (70.0 %)

Combine with atopic dermatitis

11 (27.5 %)

Combine with conjunctivitis

16 (40.0 %)

Dose of inhaled corticosteroids (ug/d)

1000(1000–2000)

Budesonide/formoterol, n (%)

24(60 %)

Fluticasone/salmeterol, n (%)

16(40 %)

Montelukast Sodium^a, n (%)

28(70 %)

Eos in blood(x10³/uL)

0.27 ± 0.20