Age (years)

Frequency

Mean IL-6 level (pg/ml)

[18 - 21[

02

14.01 ± 0.79

[21 - 40[

10

15.38 ± 2.93

[40 - 60[

09

15.97 ± 2.33

[60 - 80]

10

14.85 ± 2.02