Variable

COPD patient

p value

Subjects, n

437

-

Male, n (%)

285 (65.22%)

Age, yrs

69.30 ± 9.02

-

BMI

22.16 ± 4.08

-

Smoking index (pack-year)

533.85 ± 457.90

-

FEV1%

59.73 ± 23.16

-

FEV1/FVC

57.11 ± 11.95

-

Neu% in induced sputum

79.15 ± 22.60

<0.0001***

Neu% in peripheral blood

63.29 ± 11.44

Eos% in induced sputum

5.23 ± 12.74

0.00042***

Eos% in peripheral blood

2.99 ± 3.60

Lym% in induced sputum

1.69 ± 2.66

<0.0001*

Lym% in peripheral blood

25.16 ± 10.19