Table 2.

Endometriosis-associated pain symptoms intergroup comparison at baseline and at 3, 6 and 12 months of women on 24/4 regimen 17β-estradiol (1.5 mg) and Nomegestrol Acetate (2.5 mg) (E2/NOMAC) combined oral contraceptive, or on Dienogest (DNG) 2 mg daily

Pain symptoms	Baseline		3rd month		6th month		12th month
	95% CI	P*	95% CI	P*	95% CI	P*	95% CI	P*
Chronic Pelvic Pain	− 0.06 to 1.06	0.08	− 0.82 to 0.02	0.06	0.13 to 1.26	0.01	− 0.02 to 0.82	0.06
Dysmenorrhea	− 4.61 to 1.01	0.2	− 0.48 to 2.88	0.1	0.32 to 4.47	0.02	− 0.6 to 2.8	0.2
Dyspareunia	− 4.51 to 1.11	0.12	− 1.35 to 5.95	0.2	1.12 to 5.27	0.003	− 0.96 to 2.96	0.2

*t = two-sided t test; CI = Confidence interval