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Table 3 Pain scores (NRS 1–10) between 22-gauge and 25-gauge groups

From: Differential rates of intravascular uptake and pain perception during lumbosacral epidural injection among adults using a 22-gauge needle versus 25-gauge needle: a randomized clinical trial

Pain scores

22-gauge (95% CIa)

n = 84

25-gauge (95% CIa)

n = 78

p-value

Average NRS before the procedure

5.88 (5.42 to 6.34)

6.21 (5.73 to 6.69)

0.330

Average NRS during the initial needle entry

3.46 (2.94 to 3.98)

3.13 (2.57 to 3.69)

0.375

Average NRS during the administration of steroid

4.01 (3.44 to 4.58)

3.77 (3.20 to 4.34)

0.554

  1. There was no statistically significant difference in pain scores between 22-gauge and 25-gauge needle at various stages of the procedure
  2. aCI confidence interval