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Table 4 Outcomes of group G and group GP stratified by 3 cycles of ET before and after PS matching

From: Does the transfer of a poor quality embryo with a good quality embryo benefit poor prognosis patients?

 

Before matching

After matching

ET<3

G (n = 3672)

GP (n = 302)

P

G(n = 290)

GP (n = 290)

P

 Clinical Pregnancy

2217 (60.4)

171 (56.6)

0.2

143 (49.3)

164 (56.6)

0.081

 OR (95% CI)

Ref

1.3 (0.99–1.7)

0.06

Ref

1.35 (0.97–1.89)

0.076

 Multiple pregnancy

68 (3.1)

56 (32.7)

< 0.001

8 (5.6)

52 (31.7)

< 0.001

 OR (95% CI)

Ref

17.66 (10.3–30.3)

< 0.001

Ref

7.97 (3.6–17.63)

< 0.001

 Miscarriage

276 (12.4)

24 (14)

0.547

21 (14.7)

23 (14)

0.869

 OR (95% CI)

Ref

0.94 (0.56–1.58)

0.823

Ref

0.97 (0.51–1.83)

0.915

 Live birth

1919 (52.3)

146 (48.3)

0.19

120 (41.4)

140 (48.3)

0.095

 OR (95% CI)

Ref

1.21 (0.92–1.58)

0.167

Ref

1.33 (0.96–1.85)

0.091

ET ≥ 3

G (n = 812)

GP (n = 251)

P

G(n = 223)

GP (n = 223)

P

 Clinical Pregnancy

390 (48)

142 (56.6)

0.018

94 (42.2)

126 (56.5)

0.002

 OR (95% CI)

Ref

1.7 (1.23–2.35)

0.001

Ref

1.79 (1.22–2.61)

0.003

 Multiple pregnancy

6 (1.5)

40 (28.2)

< 0.001

2 (2.1)

34 (27)

< 0.001

 OR (95% CI)

Ref

24.39 (8.99–66.16)

< 0.001

Ref

17.16 (4.05–72.78)

< 0.001

 Miscarriage

70 (17.9)

23 (16.2)

0.638

14 (14.9)

20 (15.9)

0.842

 OR (95% CI)

Ref

0.87 (0.49–1.55)

0.63

Ref

1.1 (0.52–2.33)

0.799

 Live birth

313 (38.5)

117 (46.6)

0.023

79 (35.4)

104 (46.6)

0.016

 OR (95% CI)

Ref

1.58 (1.14–2.2)

0.006

Ref

1.6 (1.09–2.35)

0.017

  1. Data are presented as n (%). Comparisons were made using chi-square test or Fisher’s exact test as appropriate
  2. ORs were adjusted for variables presented in Table 1 using multivariate GEE model before matching
  3. ORs after matching were adjusted for propensity score
  4. OR Odds ratio