Skip to main content

Table 1 Patient's characteristics

From: Increased oxidative stress in asymptomatic current chronic smokers and GOLD stage 0 COPD

Variable

Never-smokers

Ex-smokers

Healthy smokers

Stage 0 COPD

Number

11

11

13

9

Age (yr)

59 (50–72)

56 (51–64)

53 (42–61)

64 (57–70)

Sex (F/M)

2/9

2/9

3/10

2/7

BMI

27 (23–32)

26 (21–31)

27 (17–35)

29 (26–35)

Post bronchodilator

    

FVC (l) *

4.6 (3.7–5.7)

5.0 (4.7–5.5)

4.7 (2.1–6.7)

3.4 (2.8–4.0)

FVC (% predicted) *

98 (81–110)

102 (101–103)

95 (65–122)

82 (67–104)

FEV1 (l) *

3.6 (3.1–4.2)

4.4 (4.1–4.6)

3.8 (1.7–5.3)

2.6(2.1–3.0)

FEV1 (% predicted) *

97 (81–113)

111 (109–113)

96 (63–122)

77 (62–100)

FEV1/FVC

79 (75–85)

87 (83–89)

81 (73–87)

76(71–83)

MEF 50 (% predicted)

87 (67–117)

131 (107–174)

85 (38–112)

57 (35–77)

MEF 25 (% predicted)*

98 (33–149)

151 (124–194)

87 (45–162)

53 (16–96)

Diffusion capacity (%)

94 (85–106)

98 (87–111)

86 (69–109)

80 (64–99)

  1. Data is shown as mean (range), *p < 0.05, p < 0.01 (between all groups, Kruskall-Wallis test).