From: Effects of vitrified cryopreservation duration on IVF and neonatal outcomes
Group 2 OR (95% CI) | P1 value | Group 3 OR (95% CI) | P2 value | Group 4 OR (95% CI) | P3 value | Group 5 OR (95% CI) | P4 value | |
---|---|---|---|---|---|---|---|---|
Survival rate | 0.93 (0.89, 0.98) | 0.041 | 0.86 (0.80, 0.92) | < 0.001 | 0.82 (0.72, 0.92) | < 0.001 | 0.71 (0.61, 0.81) | < 0.001 |
Implantation rat | 0.85 (0.78, 0.92) | < 0.001 | 0.78 (0.71, 0.85) | < 0.001 | 0.84 (0.80, 0.88) | < 0.001 | 0.89 (0.84, 0.94) | < 0.001 |
Positive HCG rate | 0.90 (0.85, 0.95) | < 0.001 | 0.76 (0.69, 0.83) | < 0.001 | 0.79 (0.73, 0.85) | < 0.001 | 0.91 (0.86, 0.96) | < 0.001 |
Clinical Pregnancy rate | 0.89 (0.85, 0.93) | < 0.001 | 0.83 (0.76, 0.91) | < 0.001 | 0.85 (0.80, 0.91) | < 0.001 | 0.91 (0.85, 0.97) | < 0.001 |
Birth sex ratio (male/female) | 0.92 (0.87, 0.97) | 0.020 | 1.22 (1.17, 1.27) | 0.030 | 1.17 (1.04, 1.30) | 0.039 | 0.89 (0.82, 0.96) | < 0.001 |