Table 4.

Correlation between robotic indices and clinical parameters for patient older than 10 years

		SARA (total score)	SARA (upper limb)	GAA smaller	GAA longer	Disease duration
Kinematics indices	Duration of Movement	0.891**	0.776**	0.117	−0.683	0.106
	Mean Velocity	−0.818**	−0.808**	−0.500	0.150	−0.115
	Peak Velocity	−0.727*	−0.690*	−0.233	0.117	−0.023
Accuracy indices	Length Ratio	0.564	−0.433	−0.433	−0.600	0.065
	Lateral Deviation	0.318	0.242	−0.017	−0.517	−0.185
	Aiming Angle	0.200	0.205	0.117	−0.217	−0.411
Smoothness indices	Normalized Jerk	0.964**	0.904**	0.233	−0.517	0.046
	Speed Metric	−0.500	0.217	0.217	0.850	−0.259
Submovement indices	Number of Submovements	0.927**	0.872**	0.050	−0.567	0.018
	Duration of Submovements	0.770	0.014	0.267	0.067	−0.129
	Amplitude of Submovements	−0.773*	−0.772*	−0.400	0.117	−0.148

Spearman’s rank correlation coefficient are reported. The symbol * indicates a statistical significance, with p < 0.05; the symbol ** indicates a statistical significance, with p < 0.01 (p values are corrected for multiple comparison, by using a False Discovery Rate procedure).