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Table 1 Patients’ baseline characteristics

From: Analysis of in vitro fertilization/intracytoplasmic sperm injection outcomes in infertile women with a history of thyroid cancer: a retrospective study

Characteristics TC group
(n = 64)
Control groupa
(n = 320)
P-value
Age, mean (SD), years 33.8 (4.3) 33.6 (3.9) 0.774
Body mass index, mean (SD), kg/m2 23.1 (3.0) 23.0 (2.8) 0.688
Duration of infertility, median (IQR),y 3 (2–5) 3 (2–6) 0.531
Basal FSH, median (IQR), mIU/ml 7.1 (5.2–9.0) 6.6 (5.4–7.9) 0.237
Basal LH, median (IQR), mIU/ml 3.3 (2.4–4.2) 3.7 (2.6–5.2) 0.054
Basal estradiol, median (IQR), pmol/L 163 (126–221) 159 (128–203) 0.401
Antral follicle count in both ovaries, median (IQR) 11 (8–15) 10 (7–14) 0.398
FT4, mean (SD), ng/dl 1.5 (0.2) 1.2 (0.1) < 0.001*
TSH, median (IQR), mIU/L 0.5 (0.2–1.2) 1.9 (1.4–2.6) < 0.001*
  1. Abbreviations: TC thyroid cancer, IQR interquartile range, FSH follicle-stimulating hormone, LH luteinizing hormone, FT4 free thyroxine, TSH thyroid-stimulating hormone
  2. aPatients in the control group were individually matched to a single case at a ratio of 5:1 for age, body mass index, concomitant infertility factors (polycystic ovarian syndrome, endometriosis, tubal factor, or male factor), years of IVF/ICSI treatment, protocols for controlled ovarian stimulation (ultralong-term, long-term, antagonist, short-term, or mini-stimulation protocol), and ET procedures (fresh ET or frozen ET)
  3. *P < 0.05