Table 2.

Effect of combination of resveratrol and an oral contraceptive containing drospirenone + ethinylestradiol on dysmenorrhea and pelvic pain scores in patients with endometriosis

	Pain score (mean ± SD)	n
Baseline	3	12
DRSP/EE	2.1 ± 0.5	12
DRSP/EE + resveratrol	0.2 ± 0.4	12

Notes: Baseline × DRSP/EE, P < 0.001; baseline × DRSP/EE + resveratrol, P < 0.0001; DRSP/EE × DRSP/EE + resveratrol, P < 0.0001 (Student’s t-test).

Abbreviations: DRSP/EE, drospirenone + ethinylestradiol; SD, standard deviation.