Table 2.

Annual average incidence of MSPP, PONV, and dizziness among patients’ post-surgery

Index	APS (n = 10,494)	VPU (n = 10,787)	Difference between APS and VPU (△)	Percentage of reduction (α)
MSPP (%)	2941(28.03%)	1056 (9.79%)	18.24%	65.07%
PONV (%)	1804(17.19%)	1012 (9.38%)	7.81%	45.43%
Dizziness (%)	1407(13.41%)	768 (7.12%)	6.29%	46.91%

APS acute pain service, VPU virtual pain unit, MSPP moderate to severe postoperative pain, PONV postoperative nausea and vomiting

Data are presented as number of patients (%)

△ = APS−VPU, α = [(APS−VPU)/APS] × 100%