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Table 2 Mean VAS pain scores in TRUS-guided random prostate biopsy groups according to PNB sites

From: Efficacy of additional periprostatic apex nerve block on pain in each of 12 transrectal prostate core biopsies: a retrospective study

  Base Base and apex p
12 core VAS pain scores    
Average paina 3.88 ± 2.27 2.82 ± 2.17 < 0.001
Average pain at baseb 3.74 ± 2.27 2.81 ± 2.20 < 0.001
Average pain at midc 3.82 ± 2.29 2.81 ± 2.17 < 0.001
Average pain at apexd 4.08 ± 2.32 2.83 ± 2.18 < 0.001
  1. Data are expressed as mean ± standard deviation
  2. PNB, periprostatic nerve block; SD, standard deviation; TRUS, transrectal ultrasound; VAS, visual analog scale
  3. aMean and SD of the average of 12 sites for each individual VAS pain scores
  4. bMean and SD of the average of 4 base sites for each individual VAS pain scores
  5. cMean and SD of the average of 4 mid sites for each individual VAS pain scores
  6. dMean and SD of the average of 4 apex sites for each individual VAS pain scores