Follow-up study patients

First group; n = 25

Second group; n = 25

Statistical analysis

Nicotine abuse, yes/no

6/19

2/23

n.s. (Mann-Whitney-U test)

BMI (kg/m²)

25 (range 19 - 47)

28 (range 21 - 34)

n.s. (Mann-Whitney-U test)

Follow-up (months)

53 (range 25 - 81)

24 (range 14 - 36)

n.s. (Mann-Whitney-U test)

Ultrasound examination (mm)

1

2

5.6 (range 3 - 9)

5.4 (range 2 - 10)

5.5 (range 0 - 13)

5.3 (range 0 - 10)

n.s. (Mann-Whitney-U test)

Calf circumference (cm)

3

4

0.2 (range −1 to 1.5)

−1.8 (range −3 to −0.5)

0.24 (range −1 to 5)

−1.4 (range −4 to 4)

n.s. (Mann-Whitney-U test)