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