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Table 1 Baseline characteristics of participants. Values are mean (SD).

From: Reproducibility of exhaled nitric oxide in smokers and non-smokers: relevance for longitudinal studies

Parameter

Smokers

Non-Smokers

 

Men

Women

Men

Women

Nb of subjects

9

9

10

11

Age, years

34.6 (9.9)

29.7 (9.6)

26.2 (2.0)

38.5 (11.3)

Height, cm

178.2 (8.4)

166.8 (3.2)

176.4 (7.0)

166.1 (5.4)

Weight, kg

73.8 (8.3)

64.6 (12.5)

73.8 (9.3)

63.2 (9.0)

BMI, kg/m 2

23.2 (2.0)

23.2 (4.7)

23.7 (2.6)

22.9 (2.7)

Cigarettes, p.y

8.8 (12.1)

4.6 (5.7)

0

0

Years smoking

14.2 (9.6)

8.5 (5.1)

-

-

FEV1

    

   L

3.86 (0.69)

2.93 (0.32)

3.97 (0.55)

2.83 (0.49)

   % predicted

92.2% (11.1)

90.3% (7.4)

91.5% (10.5)

94.4% (8.9)

FVC

    

   L

4.84 (0.81)

3.71 (0.48)

4.97 (0.63)

3.53 (0.58)

   % predicted

96.2% (9.6)

99.8% (11.6)

96.8% (6.1)

101.6% (9.7)

FEV1/FVC

    

   % observed

79.7(5.1)

79.2 (5.6)

80.1 (8.8)

80.4% (5.9)

  1. Abbreviations:
  2. BMI: Body mass index
  3. p.y = pack years
  4. FEV1: Forced expiratory volume in one second
  5. FVC: Forced vital capacity