Table 2

Overall vomiting and retching, in association with study variables

Intervention group (n=77)Control group (n=77)p Value
Overall vomiting/retching36/77 (46.8)51/77 (66.2)0.015
SexBoys19/45 (42.2)22/43 (51.2)0.403
Girls17/32 (53.1)29/34 (85.3)0.004
Age groups (years)1–38/30 (26.7)19/35 (54.3)0.025
4–1128/47 (59.6)32/42 (76.2)0.096
History of motion sicknessNo20/55 (36.4)37/56 (66.1)0.002
Yes16/22 (72.7)14/21 (66.7)0.665
History of PONV*No4/13 (30.8)9/11 (81.8)0.012
Yes5/9 (55.6)5/5 (100)0.078
Type of surgeryAdenoidectomy16/32 (50)20/26 (76.9)0.036
Tonsillectomy5/17 (29.4)10/14 (71.4)0.020
Adenotonsillectomy15/28 (53.6)21/37 (56.8)0.798
Parents' subjective evaluationNo discomfort41/77 (53.2)28/77 (36.4)0.035
Any discomfort36/77 (46.8)49/77 (63.6)0.430
  • Results are shown as n/N (%), numbers of children vomiting or retching/numbers in group (percentage of group).

  • * Only 38 out of 154 children had previously been under surgery.

  • n/N (%), Parents' subjective evaluation of POV-related discomfort in their child (no matter vomiting/retching or not)/numbers in group (percentage in group).

  • PONV, postoperative nausea and vomiting; POV, postoperative vomiting.