From: Efficacy of programmed intermittent bolus epidural analgesia in thoracic surgery: a randomized controlled trial
PIB (n = 21)
CEI (n = 21)
P-value
n (%)
Use of analgesics
Loxoprofen
20(95.2)
19(85.6)
0.55
Acetaminophen
1(4.7)
3(14.3)
0.61
Celecoxib
2(9.5)
Tramadol
1 (4.7)