Table 1 Baseline characteristics of the studied patients with chronic cough and the healthy control group

Age (years) (means ± SD)

46.75 ± 10.89

43.68 ± 12.89

0.132

Male gender n (%)

29 (41.4%)

9 (36%)

0.4

BMI(kg/m²) (means ± SD)

30.15 ± 3.11

31.236 ± 5.17

0.137

FVC % pred. (means ± SD)

95.75 ± 2.62

95.98 ± 2.84

0.371

FEV1, % pred. (means ± SD)

86.2 ± 4.74

86.67 ± 3.89

0.523

FEV1/FVC (means ± SD)

88.92 ± 5.001

86.67 ± 3.89

0.22

FeNO (ppb) (means ± SD)

38.27 ± 18.01

18.37 ± 5.82

< 0.001

Sputum eosinophils %

6.46 ± 4.07

1.20 ± 0.34

< 0.001