Skip to main content

Table 3 Comparison of clinical outcomes between two treatment protocols before and after propensity score matching

From: Pretreatment with oral contraceptives benefit POSEIDON group 1 low prognosis patients during GnRH-antagonist protocol: a propensity score-matched retrospective cohort study

Variable

Before matching

After matching

OCs

(n = 401)

non-OCs

(n = 1821)

P value

OCs

(n = 369)

non-OCs

(n = 879)

P value

Embryos transferred (n)

1.80 ± 0.69

1.54 ± 0.96

0.001*

1.78 ± 0.70

1.71 ± 0.82

0.133

Biochemistry pregnancy rate n (%)

192(47.9)

694(38.1)

0.*

173(46.9)

391(44.5)

0.437

Clinical pregnancy rate n (%)

169(42.1)

577(31.7)

0.*

153(41.5)

321(36.5)

0.100

Live birth rate n (%)

146(36.4)

465(25.5)

0.*

132(35.8)

264(30.0)

0.047*

Cycle Cancellation rate n (%)

27(6.7)

330(18.1)

0.*

27(7.3)

101(11.5)

0.027*

Pregnancy loss rate n (%)

16(4)

111(6.1)

0.100

14(3.8)

58(6.6)

0.053

  1. All values presented as mean ± SD or n (%)
  2. * indicates statistically significant of P<0.05