Neurophysiological Evaluation of Autonomic Dysfunction in Spinal Muscular Atrophy: A Case-Control Study

Table 2

Comparison of SSR measurements between groups.

Characteristic	SMA ()	Controls ()
SSR PALM LAT, mean (SD) (s)	1.52 (0.17)	1.23 (0.21)	<0.001
SSR PALM AMP, mean (SD) (mV)	1.71 (1.3)	3.14 (2.04)	0.036
SSR PLANT LAT, mean (SD) (s)	2.19 (0.4)	1.69 (0.27)	<0.001
SSR PLANT AMP, mean (SD) (mV)	0.8 (0.13)	1.85 (1.6)	0.069

Abbreviations: SSR: sympathetic skin response; PALM: palmar; PLANT: plantar; LAT: latency; AMP: amplitude. Statistically significant -values are shown in bold.