Table 1 Baseline characteristics

Age, mean (sd)

67.0 (7.7)

66.4 (7.9)

N.S.

Gender, no. male (%)

11 (39.3)

15 (55.6)

N.S.

BMI, mean (sd)

30.2 (4.9)

29.2 (3.9)

N.S.

ASA, no. (%)

N.S.

 I

5 (17.9)

6 (22.2)

 II

17 (60.7)

20 (74.1)

 III-IV

6 (21.4)

1 (3.7)

Follow up, mean (sd)

3.9 yrs. (0.2)

2.6 yrs. (0.4)

N.A.

Type of arthrosis (Medial/Lateral/Multi/PF)

14 / 3 / 10 / 1

9 / 6 / 11 / 1

N.S

FTA, mean (sd)

3.1 (4.8)

3.0 (5.4)

N.S.

Bone-loss

2

6

N.S.