Table 2 Descriptive statistics of baseline scores

TUG score (Seconds), All participants

 Mean (SD)

10.88 (3.62)

 Minimum – maximum

6.40 – 19.90

TUG score (Seconds), Male

 Mean (SD)

10.18 (2.95)

 Minimum – maximum

7.05 – 18.76

TUG score (Seconds), Female

 Mean (SD)

11.32 (3.96)

 Minimum – maximum

6.40 – 19.90

TUG score (Seconds), Doubtful knee OA (Grade 1)^a

 Mean (SD)

8.46 (0.79)

 Minimum – maximum

6.40 – 9.85

TUG score (Seconds), Definite knee OA (Grade 2/3)^a

 Mean (SD)

14.29 (3.28)

 Minimum – maximum

10 – 19.90

NRS (0–10)

 Mean (SD)

5.00 (2.17)

 Minimum – maximum

1 – 9

WOMAC total score (0–48)

 Mean (SD)

16.05 (8.91)

 Minimum – maximum

3 – 35