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Table 3 Comparison between group C and group D according to VAS score and analgesia

From: Dexamethasone as a bupivacaine adjuvant for ultrasound-guided interscalene brachial plexus block: a prospective randomized study

Time Group D (N = 22) Group C (N = 23) P value Effect of group D relative to group C
Mean ± SE 95% CI
Pain perception (VAS-10), median (1st–3rd IQ)
 PACU 1.0 (1.0–2.0) 2.0 (1.0–2.0) ¤0.064 Not applicable
 After 1 h PO 1.0 (1.0–2.0) 2.0 (1.0–2.0) ¤0.064
 After 2 h PO 1.0 (1.0–2.0) 2.0 (1.0–2.0) ¤0.056
 After 6 h PO 1.0 (1.0–2.0) 2.0 (1.0–2.0) ¤0.033*
 After 12 h PO 2.0 (1.0–2.0) 2.0 (2.0–3.0) ¤0.005*
 After 24 h PO 2.0 (2.0–2.0) 5.0 (4.0–5.0) ¤< 0.001*
Analgesia
 First time (h), mean ± SD 19.2 ± 2.4 11.4 ± 1.5 ^< 0.001* 7.8 ± 0.6 6.6–9.0
 Pethidine (mg), median (1st−3rd IQ) 50.0 (50.0–50.0) 50.0 (50.0–50.0) ¤0.999 Not applicable
 Ketolac (mg), median (1st–3rd IQ) 0.0 (0.0–30.0) 60.0 (60.0–60.0) ¤< 0.001*
  1. *Significant
  2. ^Independent t test
  3. ¤Mann-Whitney test
  4. §Fisher’s exact test
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