Skip to main content

Table 4 Subgroup analyses on the risk of miscarriage

From: Risk of miscarriage in women with endometriosis undergoing IVF fresh cycles: a retrospective cohort study

  Subgroup Abortions n (%) Subgroup Abortions n (%) P value Crude OR (95% CI) Adjusted OR (95% CI)
In vitro fertilization technique used-IVF Endometriosis   Controls     
720 154 (21.4) 1557 300 (19.3) 0.239 1.140 (0.917–1.418) 1.099 (0.869–1.391) a
In vitro fertilization technique used-ICSI Endometriosis   Controls     
286 71 (24.8) 455 105 (23.1) 0.586 1.101 (0.779–1.555) 1.186 (0.815–1.727) a
Endometriomas at ultrasound Yes   No     
358 71 (19.8) 648 154 (23.8) 0.152 0.794 (0.578–1.089) 0.883 (0.634–1.222) b
Endometrioma size ≥ 30 mm   < 30 mm     
77 19 (24.7) 281 52 (18.5) 0.229 1.443 (0.792–2.627) 1.412 (0.767–2.600) b
  1. a. Model adjusted for BMI, gravidity, parity, male factor infertility, total dose of FSH administered and number of oocytes retrieved
  2. b. Model adjusted for BMI, duration of stimulation and total dose of FSH administered