Month

All JS Narrow Knees, n = 9

Baseline JS < 2, n = 4

Baseline JS ≥ 2, n = 5b

Mean Change (95% CI)

P value

Mean Change (95% CI)

P value

Mean Change (95% CI)

P value

6

0.1 (−0.3 - 0.5)

0.60

0.7 (0.1 - 1.3)

0.03

−0.3 (−0.9 - 0.2)

0.21

12

0.3 (−0.3 - 0.9)

0.26

0.8 (0.0 - 2.6)

0.05

−0.1 (−0.8 - 0.7)

0.87

24

0.7 (0.0 - 1.4)

0.05

1.4 (0.4 - 2.3)

0.01

0.1 (−0.7 - 1.0)

0.78

36

0.7 (−0.1 - 1.5)

0.09

1.3 (0.2 - 2.4)

0.02

0.2 (−0.8 - 1.2)

0.71