Table 2.

Correlations between Japanese Orthopaedic Association scores and gait parameters

Parameter	CSM		LDH
	R 2	P value	R 2	P value
Single support duration (ms)	0.003	0.763	0.349	0.001
Double support duration (ms)	0.251	0.004	0.456	<0.001
Step duration (ms)	0.205	0.009	0.466	<0.001
Cycle duration (s)	0.194	0.012	0.459	<0.001
Gait speed (m/min)	0.171	0.019	0.557	<0.001
Cadence (steps/min)	0.178	0.016	0.477	<0.001
Stride length (m)	0.171	0.019	0.544	<0.001

R ² refers to the coefficient of determination of the linear regression

P is the level of significance.

CSM, cervical spondylotic myelopathy; LDH, lumbar intervertebral disc herniation.