Table 2 Comparisons of the pregnancy outcomes between the tubal HP and control groups.

From: The effect of surgical treatment of tubal pregnancy on concurrent intrauterine pregnancy after in vitro fertilization

Pregnancy outcomes

The tubal HP group (n = 446)

The control group (n = 446)

OR (95% CI)

P-value

Miscarriage, % (n)

10.8% (48/446)

10.8% (48/446)

1.000 (0.655–1.527)

1.000

Early miscarriage (< 12 weeks), % (n)

10.1% (45/446)

9.9% (44/446)

0.975(0.629–1.511)

0.911

Late miscarriage (12–22 weeks), % (n)

0.7% (3/446)

0.9% (4/446)

1.336 (0.297–6.006)

1.000

Preterm birth, % (n)

6.1% (27/446)

5.8% (26/446)

0.961 (0.551–1.674)

0.887

Term birth, % (n)

83.2% (371/446)

83.4% (372/446)

1.016 (0.715–1.445)

0.928

Live birth, % (n)

88.3% (394/446)

88.8% (396/446)

1.045 (0.692–1.579)

0.833

Perinatal mortality, % (n)

1.0%(4/398)

0.5% (2/398)

0.497 (0.091–2.732)

0.682

Caesarean section, % (n)

75.6% (301/398)

58.0%(231/398)

0.446 (0.329–0.604)

< 0.001

Gestational age at delivery (weeks)

38.6 ± 1.9

38.9 ± 1.8

–

< 0.001

Birth weight (g)

3281.8 ± 436.4

3277.1 ± 465.4

–

0.929

Low birth weight

(< 2500 g), % (n)

4.3% (17/398)

4.0% (16/398)

0.939(0.467–1.885)

0.859

  1. HP heterotopic pregnancy.