Evaluation of the autonomic nervous system in patients with essential tremor

Table 4 Sympathetic skin response (SSR) results between both groups

	Group	Mean	Std. Devi	t	Sig
SSR (palm) onset latency (s)	Control	1.2	0.085	− 3.023	0.004
SSR (palm) onset latency (s)	ET patients	1.45	0.33	− 3.023	0.004
SSR (palm) amplitude (mv)	Control	1.21	0.093	4.156	0.001
SSR (palm) amplitude (mv)	ET patients	1.01	0.21	4.156	0.001
SSR (sole) onset latency (s)	Control	1.5500	0.14327	− 4.654	0.001
SSR (sole) onset latency (s)	ET patients	2.0000	0.41879	− 4.654	0.001
SSR (sole) amplitude (mv)	Control	0.37	0.065	9.535	0.001
SSR (sole) amplitude (mv)	ET patients	0.20	0.061	9.535	0.001