Table 3. Review of Literature on Anxiety in Patients with ET.

	Louis et al.1	Dogu et al.31	Tan et al.32	Chandran et al.33
No. of Patients	37	89	84	50
Scale used	HARS	HARS	SCL-90R	HARS
Result	++	++	++	++
Correlation with tremor	—	++	++	—

Abbreviations: ++, Significant Difference Between Patients and Controls with Patients Having More Anxiety Than Controls; —, No Significant Difference Between Patients and Controls; ET, Essential Tremor; HARS, Hamilton Anxiety Rating Scale; SCL-90R, Symptom Checklist-90R.