Table 5 Correlation between essential tremor severity scale (TRETRS) and autonomic function tests, Ewing score and SSR
From: Evaluation of the autonomic nervous system in patients with essential tremor
| Â | E/I ratio | Valsalva ratio | 30:15 ratio | (SBP) response to active standing | (DBP) response to sustained hand grip | SSR (palm) onset latency | SSR (sole) onset latency | SSR (palm) Amp | SSR (sole) Amp | Ewing score | |
|---|---|---|---|---|---|---|---|---|---|---|---|
TRETRS | Pearson correlation | − 0.739 | − 0.765 | − 0.724 | 0.799 | − 0.810 | 0.455 | 0.475 | − 0.704 | − 0.0463 | 0.871 |
Sig. (2-tailed) | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.003 | 0.002 | 0.000 | 0.003 | 0.000 | |