Sex-Specific Gait Patterns of Older Adults with Knee Osteoarthritis: Results from the Baltimore Longitudinal Study of Aging

Table 3

Gait kinematic and kinetic parameters in the sagittal plane for men and women with and without knee-OA.

Gait parameters in the sagittal plane	Sex	No-OA 𝑁=268 (women, 𝑁=124)			Knee-OA 𝑁=60 (women, 𝑁=31)			Mean comparison	Age-association comparison (OA*age)
		Mean	β	𝑃 value	Mean	β	𝑃 value	𝑃 value	𝑃 value
Range of motion, degree*
Hip	Men	39.56	−0.124	.005	39.57	−0.048	.453	.989	.284
	Women	38.82	−0.074	.116	40.68	−0.163	.141	.017	.437
Knee	Men	54.47	−0.153	.002	53.05	−0.181	.144	.129	.827
	Women	54.55	−0.189	<.001	54.37	−0.220	.163	.838	.847
Ankle	Men	22.79	−0.049	.220	21.48	−0.217	<.001	.075	.013
	Women	25.20	−0.149	.001	26.73	−0.309	<.001	.065	.098
Peak joint moment, N·m/kg
Hip	Men	1.14	−0.003	.207	1.23	−0.001	.800	.061	.621
	Women	1.15	0.001	.715	1.29	−0.008	.165	.011	.134
Knee	Men	0.67	0.006	.002	0.67	−0.002	.437	.950	.012
	Women	0.63	0.002	.370	0.68	−0.002	.536	.165	.297
Ankle	Men	1.28	0.01	<.001	1.12	0.005	.238	.002	.419
	Women	1.20	0.001	.712	1.00	0.014	.007	<.001	.023
Total generative MWE**, 1000* J/kg
Hip	Men	156.55	−0.980	.093	210.14	0.761	.542	<.001	.193
	Women	137.31	−0.402	.513	155.38	4.951	<.001	.117	<.001
Knee	Men	101.40	−0.786	.086	104.27	−0.776	.263	.774	.990
	Women	84.51	0.560	.290	92.01	−1.089	.190	.412	.072
Ankle	Men	208.63	1.478	.008	158.78	−0.388	.684	<.001	.074
	Women	220.01	−0.538	.443	174.69	1.542	.089	<.001	.054
Total absorptive MWE**, 1000*J/kg
Hip	Men	240.65	−1.49	.096	215.88	−1.58	.362	.151	.960
	Women	267.25	0.778	.466	311.07	−8.14	.001	.061	<.001
Knee	Men	167.86	−0.763	.347	197.60	−2.601	.020	.043	.148
	Women	167.15	−0.071	.942	225.16	−1.679	.308	.002	.370
Ankle	Men	136.22	0.023	.956	153.81	0.140	.868	.034	.899
	Women	126.90	−0.535	0.248	130.86	2.470	.044	.660	.018

MWE: mechanical work expenditure; β: estimated coefficient for age association.
*Adjusted by gait speed, age, height, and weight.
**Adjusted by gait speed, age, and height.