Table 4.

Linear regressions between WOMAC pain (a) and stiffness (b) scores at 12 months and change in TDR, MPFLR, and ATOR adjusted for age, sex, and baseline WOMAC scores by Kemp et al. (34).

	Regression coefficient	95% CI	P-value
A: Stiffness
Change in TDR	−11.89	−69.21 to 45.44	0.681
Change in MPFLR	−48.32	−122.36 to 25.71	0.198
Change in ATOR	−8.14	−15.86 to –0.42	0.039
B: Scores at 12 months
Change in TDR	7.35	−55.52 to 70.22	0.817
Change in MPFLR	−8.54	−90.25 to 73.17	0.836
Change in ATOR	−5.75	−14.53 to 3.04	0.197