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

Table 2

Analysis of categorical preprocedural parameters and visual analogue scale (VAS) for pain scores.

Parameter	VAS scores (mean ± SD)	value
Gender (M vs F)	3.4 ± 2.9 vs 3.7 ± 2.0	0.65
Native (Y vs N)	4.4 ± 2.9 vs 3.0 ± 2.2	0.10
Academic education (Y vs N)	3.5 ± 2.2 vs 3.5 ± 2.8	0.99
Retired (Y vs N)	3.4 ± 2.4 vs 3.6 ± 2.7	0.82
Past injections (Y vs N)	3.4 ± 2.2 vs 4.0 ± 3.7	0.64
Past operation (Y vs N)	3.5 ± 2.8 vs 3.5 ± 2.2	0.99
Preprocedural guidance (Y vs N)	3.2 ± 2.6 vs 4.1 ± 2.6	0.28
Anxiolytic before procedure (Y vs N)	3.6 ± 2.5 vs 3.3 ± 3.2	0.88

M: male; F: female; Y: yes; N: no; vs: versus. Student’s t-test applied.