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Table 2 Use of rescue analgesics postoperatively

From: Efficacy of programmed intermittent bolus epidural analgesia in thoracic surgery: a randomized controlled trial

  PIB (n = 21) CEI (n = 21) P-value
n (%) n (%)
Use of analgesics
 Loxoprofen 20(95.2) 19(85.6) 0.55
 Acetaminophen 1(4.7) 3(14.3) 0.61
 Celecoxib 1(4.7) 2(9.5) 0.55
 Tramadol 2(9.5) 1 (4.7) 0.55