Table 3 Multivariate logistic regression model of factors associated with ET for the prediction of life birth

30.2 ± 5.1

32.2 ± 5.2

0.93

(0.89;0.97)

0.93

(0.88;0.98)

0.011

24.2 ± 5.0

24.7 ± 5.7

0.99

(0.94;1.03)

-

-

-

64 (65.3)

274 (87.8)

0.48

(0.27;0.85)

0.41

(0.22;0.79)

0.008

3.5 ± 1.1

3.1 ± 1.3

1.28

(1.10;1.54)

1.17

(0.94;1.47)

0.126

Substance used for ovulation induction

hCG^b

74 (75.5)

252 (80.8)

Reference

Reference

-

-

-

Synthetic GnRH^b

3 (2.7)

13 (4.4)

0.58

(0.13;2.64)

-

-

Choriogonadotropin alpha^b

21 (21.4)

47 (15.1)

1.38

(0.75;2.54)

-

-

42.6 ± 20.6

40.2 ± 18.3

1.01

(0.99;1.02)

-

-

-

54.2 ± 23.0

57.8 ± 24.3

1.00

(0.99; 1.00)

-

-

-

Uterine position

Anteverted^b

82 (83.7)

273 (87.5)

Reference

Reference

-

-

-

Midposed^b

13 (13.3)

27 (8.7)

1.52

(0.69;3.34)

-

-

Retroverted^b

1 (1.0)

12 (3.8)

0.40

(0.053.26)

-

-

Uterine angle (Corpus–Cervix)

Normal^b

68 (69.4)

187 (59.9)

Reference

Reference

-

-

-

Pointed^b

23 (23.5)

58 (18.6)

1.28

(0.68;2.41)

-

-

Very pointed^b

7 (7.1)

67 (21.5)

0.55

(0.22;1.37)

-

-

85.3 ± 12.6

80.8 ± 40.7

1.02

(1.01;1.05)

1.03

(1.01;1.06)

0.007

12.2 ± 3.6

11.7 ± 2.7

1.01

(0.97;1.04)

-

-

-

29.2 ± 7.7

28.6 ± 7.6

1.06

(0.99;1.13)

-

-

-