n   S/E ratio SHBG Estradiol
Others 153 0.040±0.004* 51.3±1.9 2123±127*
natural LH surge 38 0.058±0.007* 52.9±3.5 1393±181*
  P=0.0078 P=0.6904 P=0.0078  
Table 3: Correlation between serum E2, SHBG and SHBG/Estradiol (S/E ratio) at the time of hCG injection in natural LH surge and other patients.
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