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Table 2 Time to first analgesic request in minutes and total analgesia consumption over 24 hours

From: Comparison of preemptive paracetamol, paracetamol-diclofenac & paracetamol-tramadol combination on postoperative pain after elective abdominal surgery under general anesthesia, Ethiopia: a randomized control trial study, 2018

  Group P Group PD Group PT P-value
First analgesic requirement
time (minutes)a
87.62 ± 20.95 103.01 ± 23.53+ 144.05 ± 14.72+, ++ < 0.001
Total analgesics consumption
o Tramadol in mg (IV)a 250 ± 79.06 173.81 ± 87.49+ 154.76 ± 70.54+ 0.001
  1. Data are given as mean ± SD (ANOVA and Tukey test)
  2. aMean ± SD
  3. +p < 0.05 compared to Group P, ++p < 0.05 compared to Group PD