Table 1. Characteristics of subjects. Values are means (median; SEM).
 

Non-smokers (n=10)

Smokers (n=10)

Age (years)

21.2
(20.0; 1.2)

21.1
(20.0; 1.6)

Height (cm)

175.4
(175.0; 1.8)

176.4
(176.5; 1.3)

Body mass (kg)

70.0
(72.7; 52.4)

71.0
(70.0; 2.6)

Cigarettes per day

NA

20.5
(20.0; 2.4)

Smoking years

NA

4.8
(4.5; 1.0)

Cotinine (nmol· mg-1 creatinine)

3.97
(2.86; 1.46)

17.78
(18.08; 2.90)**

NA, not applicable
** p<0.01, compared to non-smokers.