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.

ParameterR2 (%) (total = 21.2%)T value value

VASA score (0–10)18.92.680.01
Native (Y vs N)1.8−0.940.35
Preprocedural guidance (Y vs N)0.56−0.560.58

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