Table 2 Characteristics of healthy participants

Age (y)

 Average ± SD

55.5 ± 14.2

56.3 ± 18.9

0.637

LBM

 Average ± SD

52.6 ± 6

34.7 ± 5.4

 < 0.0001*

WBC (× 10³/μL)

 Average ± SD

6 ± 1.6

5.3 ± 1.1

0.0758

Hb (g/dL)

 Average ± SD

15 ± 1.1

13 ± 0.9

 < 0.0001*

Smoking habit

 Current

17 (30%)

5 (12%)

0.0502

 Former†/non

40 (70%)

36 (88%)