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Table 3 Time for the first request of analgesia (min) and the total amount of rescue analgesia (pethidine/mg) over 24 h

From: The efficacy of adjuvants to bupivacaine in ultrasound-guided supraclavicular block: a comparative study between dexmedetomidine, ketamine, and fentanyl

Variable Group DB (n = 20) Group KB (n = 20) Group FB (n = 20) P value Sig.
Mean ± SD Mean ± SD Mean ± SD
Time to first analgesic request (min) 646.3 ± 121.2 458.7 ± 57.1 256.6 ± 35.1 0 HS
Rescue analgesia (mg) 84.1 ± 8.5 110.5 ± 23.8 170 ± 34.0 0.00 HS