Table 4
Overall incidence of PONV in different types of surgery

	Partial mastectomy (n=51)	Partial mastectomy with axillary dissection (n=48)	P-value
Incidence of PONV	17 (33.3)	18 (37.5)	0.610
Age (yr)	40.1±6.7	42.2±5.4	0.236
Height (cm)	160.3±5.5	160.4±4.8	0.811
Weight (kg)	55.7±6.8	56.9±6.7	0.441
Duration of operation (min)	73.0±54.2	109.7±38.7	0.000
Duration of anesthesia (min)	104.1±57.3	142.8±44.3	0.000

Values are presented as number (%), or mean±standard deviation.
PONV, postoperative nausea and vomiting.