Table 1 Demographic data of the study population

Age, years (mean ± SD)

69.6 ± 6.8

65.4 ± 13.3

0.260

Height (cm)

155.0 ± 6.6

162.0 ± 12.1

0.113

Weight (kg)

64.1 ± 8.2

65.9 ± 10.4

0.528

BMI

26.6 ± 2.8

25.4 ± 3.4

0.189

Gender, n

 Women, n (%)

28 (70.0)

9 (60.0)

0.493

 Men, n (%)

12 (30.0)

6 (40.0)

K-L grade

 0, n (%)

0

11 (73.3)

 1, n (%)

0

4 (26.7)

 2, n (%)

0

0

 3, n (%)

6 (15.0)

0

 4, n (%)

34 (85.0)

0

Surgery, n

 TKA, n (%)

36 (90.0)

–

 UKA, n (%)

4 (10.0)

–