. Author manuscript; available in PMC: 2019 Jan 26.

Published in final edited form as: Osteoarthritis Cartilage. 2016 Apr 12;24(9):1554–1564. doi: 10.1016/j.joca.2016.04.006

Table III.

Associations between knee kinetics and cartilage T_1ρ and T₂ relaxation times of the patella and trochlea for all subjects (n = 99)^*

		Whole compartment analysis				Laminar analysis
		Trochlea	Patella	Trochlea	Patella	Trochlea		Patella		Trochlea		Patella
		T1_ρ	T1_ρ	T2	T2	T1_ρ		T1_ρ		T2		T2
		Whole	Whole	Whole	Whole	Superficial	Deep	Superficial	Deep	Superficial	Deep	Superficial	Deep
Peak KFM	β (95% CI)	0.21	0.25	0.20	0.22	0.20	0.19	0.30	0.17	0.22	0.18	0.23	0.18
		(0.05, 0.41)	(0.04, 0.45)	(0.03, 0.40)	(0.05, 0.43)	(−0.003, 0.41)	(−0.02, 0.40)	(0.10, 0.51)	(−0.04, 0.40)	(0.18, 0.42)	(−0.03, 0.39)	(0.02, 0.44)	(−0.03, 0.39)
	P value	0.046	0.022	0.047	0.045	0.054	0.072	0.004	0.107	0.033	0.087	0.029	0.095
KFM	β (95% CI)	0.28	0.25	0.26	0.22	0.25	0.27	0.33	0.18	0.25	0.22	0.25	0.18
impulse		(0.08, 0.47)	(0.05, 0.45)	(0.07, 0.45)	(0.14, 0.42)	(0.05, 0.45)	(0.08, 0.47)	(0.14, 0.53)	(−0.03, 0.38)	(0.06, 0.44)	(0.02, 0.41)	(0.05, 0.45)	(−0.03, 0.39)
	P value	0.005	0.014	0.008	0.036	0.014	0.007	0.001	0.090	0.011	0.029	0.015	0.087

Linear regression adjusted for age, sex, body mass index, walking speed and presence of TFJ OA; β, standardized regression coefficients; CI, confidence interval. Associations that reach the statistical significance level (P < 0.05) are in bold.