. 2012 Jan 10;10:1. doi: 10.1186/1477-7827-10-1

Table 1.

Clinical characteristics of infertile women with minimal endometriosis, fertile women and infertile women with tubal occlusion.

Characteristics	Endometriosis	Fertile women	Tubal occlusion
Number of patients	18	16	16
Age (years)	31 (24-38)^a	31 (25-37)^a	32 (25-39)^a
Parity	NA	2 (1-3) ^a	NA
Duration of infertility (Years)	3 (1-4)	NA	3 (1-4)
rASRM stage^b	Stage I (n = 8) Stage II (n = 10)	NA	NA

Median (Range)^a, revised American Society for Reproductive Medicine classification (rASRM)^b[24], NA-not applicable.