Patients’ Experience of Anxiety and Pain during Retrobulbar Injections prior to Vitrectomy

Table 3

Multivariate analysis with visual analogue scale for pain (VAS) scores as the dependent variable and all variables that reached in univariate analysis as independent variables.

Parameter	R^2 (%) (total = 21.2%)	T value	value
VASA score (0–10)	18.9	2.68	0.01
Native (Y vs N)	1.8	−0.94	0.35
Preprocedural guidance (Y vs N)	0.56	−0.56	0.58

VASA: visual analog scale for anxiety; Y: yes; N: no; vs: versus.