Table 3
Overall incidence of PONV in different phases of the menstrual cycle

	Gynecological classification (n=77)				P-value	Menstrual classification (n=99)		P-value
	Premenstrual +menstrual (n=28)	Follicular (n=20)	Ovulation (n=13)	Luteal (n=16)		Menstrual (n=24)	Non-menstrual (n=75)
Type of surgery					0.370			0.297
Partial mastectomy	15	7	5	10		15	36
Partial mastectomy with axillary dissection	13	13	8	6		9	39
Incidence of PONV	9 (32.1)	9 (45.0)	2 (15.4)	7 (43.8)	0.300	12 (50.0)	23 (30.7)	0.086

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