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 |