Figure 3.

Incidence of side-effects, including arterial desaturation below 90%, urinary retention, postoperative nausea and vomiting (PONV) and pruritus in each group over the first 24 postoperative hours (P > 0.05, Chi Square, for all comparisons).

Hassett et al. BMC Anesthesiology 2008 8:5   doi:10.1186/1471-2253-8-5
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