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Table 1 Demographic and stimulation characteristics

From: Ovarian hyperstimulation syndrome: a clinical report on 4894 consecutive ART treatment cycles

Parameters HCG Buserelin OHSS p
Cycles 4772 71 51  
Female age 34.8 ± 4.5 32.3 ± 3.8 32.8 ± 3.5 a,b
Male age 36.6 ± 5.7 34.0 ± 4.1 34.1 ± 4.3 a,b
Time infertility 3.9 ± 3.1 3.1 ± 1.9 3.3 ± 2.2 a
Male factor 58.9 51.7 51.1 NS
Female factor 11.9 27.6 17.0 a
Mixed factors 29.2 20.7 31.9 a
bFSH 7.1 ± 3.1 5.7 ± 2.7 7.5 ± 3.7 a,c
PCOS 6.2 57.7 29.4 a,b,c
BMI 22.4 ± 3.7 22.1 ± 4.3 22.1 ± 4.4 NS
Follicles 6.1 ± 3.5 24.8 ± 8.8 18.1 ± 6.7 a,b,c
Total dose 2008.9 ± 986.3 1266. 1 ± 515.4 1716.2 ± 1000.6 a,c
Time stimulation 8.5 ± 1.7 8.3 ± 1.8 8.1 ± 1.3 NS
Estradiol 1238.3 ± 737.0 3565.9 ± 2592.9 1159.9 ± 711.9 a,c
HCG dose 9411.6 ± 1569.0 - 9482.8 ± 1549.7 NS
Buserelin dose - 0.8 ± 0.0 -  
  1. Values in “n”, rate or mean ± SD
  2. Significance (p < 0.05)
  3. a: HCG vs Buserelin
  4. b: HCG vs OHSS
  5. c: Buserelin vs OHSS
  6. NS: not significant
  7. HCG: group of patients without OHSS and oocyte trigger with HCG
  8. Buserelin: group of patients without OHSS and oocyte trigger with Buserelin
  9. OHSS: group of patients with OHSS and oocyte trigger with HCG
  10. Female and male ages, Time of infertility, Male factor, Female factor and Mixed factors (years)
  11. bFSH: basal FSH (mIU/ml)
  12. PCOS: polycystic ovarian syndrome
  13. BMI: body max index
  14. Total dose: Total gonadotrophin dose (IU/ml)
  15. Time of stimulation (days)
  16. Estradiol at HCG day (pg/ml)
  17. HCG dose (IU/ml)
  18. Buserelin dose (IU/ml)