. 2023 Feb 4;13:2066. doi: 10.1038/s41598-023-29227-2

Table 5.

Effect of COCs on the sonographic expression of endometriosis at baseline and at 12 and 24 months of follow-up.

Measurement	Baseline^a N = 64	12-month follow-up^b N = 63	24-month follow-up^c N = 53	p-value
Ovarian endometrioma	33.45 ± 16.83^a	22.67 ± 14.02^b	18.62 ± 13.48^c	^a-bp < 0.02
				^b-cp = NS
				^a-c p < 0.01
Torus DE	25.78 ± 12.98^a	20.64 ± 8.35^b	19.53 ± 8.62^c	^{a-b; b-c, a-c}p = NS
USL DE	20.91 ± 8.75^a	15.48 ± 6.07^b	13.13 ± 4.48^c	^a-bp < 0.03;^b-c p = NS
USL DE	20.91 ± 8.75^a	15.48 ± 6.07^b	13.13 ± 4.48^c	^a-cp < 0.004
Rectosigmoid DE	24.33 ± 10.23^a	22.22 ± 8.39^b	20.96 ± 8.77^c	^{a-b; b-c, a-c}p = NS

Results expressed as mean ± standard deviation.

Measurement is expressed in millimeters.

USL uterosacral ligaments, DE deep endometriosis, NS not significant.