Table 5 ROC curve analysis of pre-pregnancy ultrasound diameter and “increase” in fibroid diameter at the post-delivery ultrasound with respect to ongoing breastfeeding.

From: The association between childbirth, breastfeeding, and uterine fibroids: an observational study

 

AUC

95% CI

Cut-off (mm)

Sensitivity

95% CI

Specificity

95% CI

p

Study population (n = 180)

0.7

0.6–0.8

>26

59.4

40.6–76.3

75.7

67.9–82.3

<0.01

Breastfeeding (n = 100)

0.7

0.6–0.8

>32

60.0

26.2–87.8

87.8

79.2–93.7

0.05

No breastfeeding (n = 80)

0.7

0.5–0.8

>26

59.1

36.4–79.3

70.7

57.3–81.9

0.02