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Table 3 Regression analysis using maternal age, embryo quality, insemination technique and pronuclear morphology as predictors of clinical pregnancy and delivery

From: Pronuclear morphology evaluation in in vitro fertilization (IVF) / intracytoplasmic sperm injection (ICSI) cycles: a retrospective clinical review

 

B

ES

P

OR

95% CI

Lower

Upper

Constant

      

 Clinical pregnancy

−3.845

0.374

<0.001

0.021

  

 Delivery

−4.084

0.417

<0.001

0.017

  

Maternal age

      

 Clinical pregnancy

1.263

0.290

<0.001

3.535

2.002

6.244

 Delivery

1.282

0.326

<0.001

3.604

1.904

6.821

Insemination technique

      

 Clinical pregnancy

0.021

0.304

0.946

1.021

0.562

1.854

 Delivery

0.074

0.341

0.828

1.077

0.552

2.099

Pronuclear morphology

      

 Clinical pregnancy

0.481

0.320

0.132

1.618

0.865

3.029

 Delivery

0.468

0.359

0.192

1.597

0.791

3.227

Embryo quality

      

 Clinical pregnancy

1.078

0.353

0.002

2.938

1.470

5.871

 Delivery

0.974

0.391

0.013

2.648

1.231

5.698

  1. Model for clinical pregnancy prediction: χ2(4) = 33.445; P < 0.001; R2 = 0.106.
  2. Model for delivery prediction: χ2(4) = 25.200; P < 0.001; R2 = 0.093.