Table 4:

Spearman’s correlation coefficients between individual delta cognitive-motor features and significant delta spatiotemporal gait parameters

	delta mean stride length		delta mean stride velocity		delta mean swing %		delta mean single support %		delta %CV single support %		delta mean foot strike		delta %CV foot strike		delta %CV stride time
	noFOG	FOG	noFOG	FOG	noFOG	FOG	noFOG	FOG	noFOG	FOG	noFOG	FOG	noFOG	FOG	noFOG	FOG
delta FOGQ (Score Change/yr)	−0.191, 0.302	−0.451, 0.021	−0.296, 0.105	−0.463, 0.017	−0.087, 0.642	−0.419, 0.033	−0.109, 0.561	−0.499, 0.009	0.109, 0.558	−0.010, 0.962	−0.453, 0.011	−0.056, 0.784	0.082, 0.663	−0.078, 0.706	−0.056, 0.765	0.480, 0.013
delta motor UPDRS (Score Change/yr)	−0.415, 0.020	−0.539, 0.004	−0.302, 0.099	−0.451, 0.021	−0.135, 0.470	−0.413, 0.036	−0.171, 0.358	−0.495, 0.010	0.286, 0.118	0.257, 0.205	−0.335, 0.066	0.035, 0.867	−0.109, 0.561	−0.132, 0.522	0.269 0.143	0.272 0.179
delta total UPDRS (Score Change/yr)	−0.338, 0.063	−0.667, <0.001	−0.212, 0.252	−0.690, <0.001	−0.066, 0.725	−0.615, <0.001	−0.111, 0.553	−0.634, 0.001	0.215, 0.246	0.414, 0.035	−0.429, 0.016	−0.115, 0.577	−0.154, 0.409	0.012, 0.954	0.299 0.102	0.540, 0.004
delta MOCA (Score Change/yr)	0.079, 0.672	0.317, 0.115	0.067, 0.722	0.418, 0.034	0.008 0.965	0.514, 0.007	0.039, 0.834	0.479, 0.013	−0.007, 0.968	−0.073, 0.722	0.151, 0.418	−0.314, 0.119	−0.193, 0.297	−0.128, 0.534	−0.346, 0.056	−0.092, 0.655
delta Levodopa (mg/yr)	0.088, 0.639	0.146, 0.476	−0.068, 0.717	0.105, 0.611	−0.049, 0.793	0.151, 0.461	−0.103, 0.581	0.165, 0.421	0.184 0.320	−0.223, 0.274	0.120, 0.520	0.087, 0.674	−0.132, 0.479	0.068, 0.741	0.074, 0.692	0.139, 0.497

Legend: Spearman’s correlation coefficient (upper row), p value (lower row)