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Table 1 Demographic characteristics, cycle characteristics, and reproductive outcomes of included cycles

From: Performing ICSI within 4 hours after denudation optimizes clinical outcomes in ICSI cycles

ParameterValue
No. of cycles3602
Age (y)30.76 ± 4.73
BMI (kg/m2)21.91 ± 4.68
Percentage of primary infertility (%)72.3
Duration of infertility (y)3.79 ± 2.84
Basal FSH (IU/L)7.50 ± 2.21
No. of oocytes retrieved13.36 ± 6.23
Fertilization rate (%)75.59 ± 17.85
Clinical pregnancy rate (%)55.31
HCG-OPU interval (min)2218.34 ± 27.00
OPU-DN interval (min)130.60 ± 46.53
DN-ICSI interval (min)166.51 ± 60.29
  1. Note: Data are presented as mean ± SD or n (%)
  2. BMI body mass index, OPU oocyte pick-up, DN denudation, ICSI intracytoplasmic sperm injection