Table 1.

Study design and inclusion criteria for the five study groups: endometriosis-associated pain (EAP, endometriosis-associated and bladder pain (EABP), bladder pain syndrome (BPS), pelvic pain only (PP) and controls).

	Surgical confirmation of endometriosis	Urinary Symptoms	Pain perceived as arising from the bladder	Pelvic pain score on NRS (at least one)
EAP (N = 237)	Yes	No	No	>4/10
EABP (N = 120)	Yes	Yes	Yes	>4/10
BPS (N = 72)	No	Yes	Yes	>4/10
PP (N = 127)	No	No	No	>4/10
Control (N = 230)	No	No	No	<3/10