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Table 4 Swallowing face pain score during the 4-h postoperative period

From: Postoperative analgesia in children undergoing adenotonsillectomy under sevoflurane versus propofol-based anesthesia: a randomized controlled trial

  Propofol Sevoflurane Mann–Whitney U test P value
Mean (SD) Median (IQR) Mean (SD) Median (IQR)
Swallowing FPS 0 min 2.17 (0. 592) 2.00 (2.00–3.00) 3.17 (1.05) 3.00 (2.00–4.00) 204 < 0.001*
Swallowing FPS 10 min 2.13 (0. 681) 2.00 (2.00–3.00) 2.77 (0.568) 3.00 (2.00–3.00) 238 0.001*
Swallowing FPS 20 min 1.50 (0.508) 1.00 (1.00–2.00) 3.33 (5.43) 2.00 (2.00–3.00) 142 < 0.001*
Swallowing FPS 30 min 1.27 (0.449) 1.00 (1.00–2.00) 2.90 (0.305) 3.00 (3.00–3.00) 12.0 < 0.001*
Swallowing FPS 40 min 1.13 (0.507) 1.00 (1.00–1.00) 1.70 (0.466) 2.00 (1.00–2.00) 216 < 0.001*
Swallowing FPS 50 min 1.00 (0. 371) 1.00 (1.00–1.00) 1.50 (0.508) 1.50 (1.00–2.00) 240 < 0.001*
Swallowing FPS 60 min 0.933 (0. 253) 1.00 (1.00–1.00) 1.47 (0.571) 1.00 (1.00–2.00) 238 < 0.001*
Swallowing FPS 2 h 0.933 (0. 253) 1.00 (1.00–1.00) 1.30 (0.534) 1.00 (1.00–2.00) 308 0.01*
Swallowing FPS 3 h 1.13 (0.345) 1.00 (1.00–1.00) 1.46 (0.681) 1.00 (1.00–2.00) 339 0.030
Swallowing FPS 4 h 1.23 (0.504) 1.00 (1.00–1.00) 1.46 (0.681) 1.00 (1.00–2.00) 371 0.141
Friedman ANOVA, repeated measure χ2 (9)=155
P < 0.001*
χ2 (9)=175
P < 0.001*
  
  1. ANOVA analysis of variance, FPS Faces Pain Scale, IQR interquartile range
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