Revisiting the applicability of adult early post-operative nausea and vomiting risk factors for the paediatric patient: A prospective study using cotinine levels in children undergoing adenotonsillectomies.

As evidence indicates that current generations of children may be starting puberty earlier, future studies in this subject may show a stronger age effect if the hormonal theory effect of puberty on POV holds true.[ 19 ] In agreement with other paediatric studies, POV was more common in girls (36%) than boys (28%), although gender did not reach statistical significance ( P = 0.15).

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Family history of PONV (odds ratio [OR] = 5.3, P < 0.01) and motion sickness history (OR = 4.4, P = 0.02) were highly significant risk factors.

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