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Table 3 Postoperative resting 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)
Resting FPS 0 min 0.700 (0.534) 1.00 (0–1.00) 3.73 (0.449) 4.00 (3.00–4.00) 0 < 0.001*
Resting FPS 10 min 1.53 (0.819) 1.00 (1.00–2.00) 2.50 (0.682) 3.00 (2.00–3.00) 180 < 0.001*
Resting FPS 20 min 1.23 (0.568) 1.00 (1.00–2.00) 2.02 (0.583) 2.00 (2.00–2.00) 164 < 0.001*
Resting FPS 30 min 1.10 (0.480) 1.00 (1.00–1.00) 1.73 (0.520) 2.00 (1.00–2.00) 198 < 0.001*
Resting FPS 40 min 0.966 (0.413) 1.00 (1.00–1.00) 1.33 (.479) 1.00 (1.00–2.00) 300 0.003*
Resting FPS 50 min 0.866 (0.345) 1.00 (1.00–1.00) 1.26 (0.639) 1.00 (1.00–1.00) 325 0.003*
Resting FPS 60 min 0.866 (0.345) 1.00 (1.00–1.00) 1.13 (0.345) 1.00 (1.00–1.00) 338 0.005*
Resting FPS 2 h 0.233 (0.430) 0 (0–0.25) 1.03 (0.413) 1.00 (1.00–1.00) 116 < 0.001*
Resting FPS 3 h 0.866 (0.345) 1.00 (1.00–1.00) 1.10 (0.402) 1.00 (1.00–1.00) 353 0.021
Resting FPS 4 h .966 (0.182) 1.00 (1.00–1.00) 1.00 (0) 1.00 (1.00–1.00) 435 0.317
Friedman ANOVA, repeated measure χ2 = 122
P < 0.001*
χ2 = 200
P < 0.001*
  
  1. ANOVA analysis of variance, FPS Faces Pain Scale, IQR interquartile range
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