Characteristics of patients in the endometriosis group and the control group, 2002–2013.

a First diagnosis of EMS was made in the year noted.b Mean age groups per 5 years in 2013. 1; 0–4 years, 2; 5–9 years,……., 17; 80–84 years, 18; 85 years+.c The mean age was calculated from the mean age groups per 5 years.d Mean socioeconomic status groups in 2013. 1; upper 0–9%, 2; upper 10–14%,……., 9; upper 90–94%, 10; upper 95%+.e Fisher’s exact testData are presented as numbers or means ± standard deviationsCharacteristics of patients in the endometriosis group and the control group, 2002–2013.