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Table 2 Postoperative analgesia related data of the patients between two groups(n = 60, χ ± s)

From: Ultrasound-guided single popliteal sciatic nerve block is an effective postoperative analgesia strategy for calcaneal fracture: a randomized clinical trial

  Group A Group B P value
Ta (h) 3.50 ± 0.47 13.45 ± 1.88 0.000
Tb(h) 4.28 ± 0.59 15.57 ± 2.99 0.000
Duration of analgesia pump use(h) 47.88 ± 0.27 49.55 ± 0.21 0.019
Number of times the patient pressed the analgesia pump 8.47 ± 1.11 1.82 ± 0.85 0.000
Rescue analgesia 0.15 ± 0.36 0.03 ± 0.18 0.000
Analgesics related adverse reactions
 Nausea 8 (11.09%) 2 (3.33%) 0.047
 Vomiting 3 (5%) 0 (0%) 0.122
 Pruritus 4 (6.67%) 1 (1.67%) 0.182