Table 4 Numbers and percentages of patients with versus without evidence of endometriosis according to parity and number of miscarriages, ectopic pregnancies, and cesarean sections

Parity

0^ab

315 (84.5)

58 (15.5)

 < 0.001

1

113 (89)

14 (11)

2^a

104 (94.5)

6 (5.5)

3 or more^b

245 (95.7)

11 (4.3)

Miscarriages

0

560 (88.2)

75 (11.8)

0.025

1

103 (90.4)

11 (9.6)

2

55 (96.5)

2 (3.5)

3 or more

59 (98.3)

1 (1.7)

Ectopic pregnancies

0^a

721 (89.2)

88 (10.9)

0.016

1^ab

54 (100)

0 (0)

2^b

2 (66.7)

1 (33.4)

Cesarean sections

0^a

544 (87.2)

80 (12.8)

 < 0.001

1

103 (93.6)

7 (6.4)

2^a

71 (98.6)

1 (1.4)

3 or more

59 (98.3)

1 (1.7)