Outcome

Mean change from baseline, (SD)

Between-group mean

difference in change

(95% CI)

APP

CONTROL

(n = 31)

(n = 26)

Secondary Outcomes

Timed up and go, s

2.0 (7.6)

0.4 (5.4)

1.6 (−1.8, 5.1)

Single leg stand test, s, surgical leg

1.0 (8.8)

2.2 (12.6)

1.2 (−4.6, 7.1)

30-s sit-to-stand, No.

−1.1 (5.4)

−0.8 (4.4)

0.3 (−2.6, 2.9)

KOOS JR, surgical leg

7.2 (16.3)

12.5 (14.2)

5.3 (−4.7, 15.3)

PROMIS, physical

2.4 (5.6)

3.0 (7.7)

0.6 (−3.1, 4.2)

VR-12 Health Survey, physical

−1.5 (11.1)

−2.3 (14.0)

0.7 (−6.1, 7.6)

mABC

−4.1 (15.7)

−5.6 (23.1)

1.4 (−9.2, 12.2)