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Table 1 Clinical characteristics of study women

From: The dynamic changes in the number of uterine natural killer cells are specific to the eutopic but not to the ectopic endometrium in women and in a baboon model of endometriosis

Demographic data Control group N = 30 Endometriosis group N = 30 Ectopic group N = 22 P value (control v endometriosis)
Age, median (range) 40 (25–47) 36 (18–45) 40 (24–51) P = 0.056
BMI, median (range) 27 (20–42) 26 (20–38) 27.1 (18–32) P = 0.37
Parity, median (range) 2 (1–4) 1 (0–3) 1 (0–2) P < 0.0001
Smoker 9/30 (30%) 5/30 (17%) 1/22 (5%) P = 0.36
Endometriosis stage, median (range) 2 (1–4) 4 (1–4) N/A
  1. Control group consists of 10 patients with proliferative phase endometrium, 10 patients with mid-secretory phase endometrium and 10 patients with late-secretory phase endometrium. Endometriosis group consists of 10 patients with proliferative phase endometrium, 10 patients with mid-secretory phase endometrium and 10 patients with late-secretory phase endometrium. The ectopic group consists of ectopic lesions excised from women with endometriosis, 2 menstrual, 6 proliferative, 10 mid-secretory and 4 late secretory phase. Mann-Whitney U test for age, BMI and parity; Fisher’s Exact test for smoking status