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Table 1 Characteristics of asthma patients and healthy non-asthmatic controls

From: Different expression levels of interleukin-36 in asthma phenotypes

Variable

Asthma

Normal

P value

Number

62

16

 

Age, years

54.77 ± 15.49

54.25 ± 14.60

0.903

Sex, male, n (%)

27 (43.5)

10 (62.5)

0.179

BMI, kg/m2

24.10 ± 3.76

23.75 ± 3.45

0.632

Ex-smoker, n (%)

29 (46.8)

5 (31.3)

0.267

Pre-FEV1, L

1.78 ± 0.80

2.70 ± 0.78

< 0.001

Post-FEV1, L

2.06 ± 0.80

2.78 ± 0.80

0.002

Post-FVC, L

3.03 ± 0.81

3.45 ± 0.91

0.075

Post-bronchodilator FEV1/pred (%)

73.94 ± 23.96

97.68 ± 11.80

< 0.001

Post-bronchodilator FVC/pred (%)

89.90 ± 18.95

101.04 ± 12.48

0.029

Post-bronchodilator FEV1/FVC (%)

66.86 ± 14.57

80.16 ± 3.89

0.001

Sputum TCC, 106/mL

0.97 (0.44,2.60)

1.65 (0.95,2.35)

0.319

Sputum NEU, 104/mL

4.05 (0.58,49.65)

0.60 (0.23,0.93)

0.001

Sputum EOS, 104/mL

2.95 (0.20,9.28)

0.00 (0.00,0.10)

< 0.001

Sputum MA, 106/mL

71.45 (26.75,88.78)

98.15 (97.85,99.08)

< 0.001

Sputum LY, 104/mL

6.00 (1.68,10.05)

0.65 (0.28,1.18)

< 0.001

  1. Data are expressed as mean ± SD or median (IQR). Data were analyzed by Student’s t test or Mann–Whitney U test after adjusting for age
  2. BMI body mass index, FEV1 forced expiratory volume in 1 s, FVC forced vital capacity, TCC total cell count, NEU neutrophils, EOS eosinophils, MA Macrophages, LY lymphocytes