Table 5 Logistic regression. Univariate logistic regression performed for ectopic pregnancy

Age

28.740 ± 3.691

28.270 ± 3.517

0.961 (0.880,1.057)

0.442

Type of infertility

 Primary infertility

917/1377 (66.59)

23/37 (62.16)

Reference

-

 Secondary infertility

460/1377 (33.41)

14/37 (37.84)

1.215 (0.619,2.383)

0.571

History of ectopic pregnancy

92/1377 (6.68)

6/37 (16.22)

2.705 (1.101,6.650)

0.030

No. of abortions

0.300 ± 0.631

0.380 ± 0.639

1.188 (0.759,1.861)

0.451

Fertilization method

 IVF

1093/1377 (79.38)

32/37 (86.49)

Reference

-

 ICSI

284/1377 (20.62)

5/37 (13.51)

1.661 (0.642,4.302)

0.296

Treatment

 MLSL

330/1377 (23.97)

21/37 (56.76)

Reference

-

 EFLL

1047/1377 (76.03)

16/37 (43.24)

0.241 (0.124,0.467)

0.001

Moderate to severe OHSS

67/137 (4.87)

1/37 (2.70)

0.544 (0.073,4.025)

0.551

Endometrial thickness on trigger day (mm)

12.121 ± 2.358

10.946 ± 2.573

0.804 (0.696,0.928)

0.003

No. of embryos transferred

1.730 ± 0.453

1.860 ± 0.419

2.165 (0.909,5.156)

0.081