7.4 mm) had 81% sensitivity and 97% specificity for prediction of post-menstrual spotting with overall accuracy was 88.7%. While scar width (> 12.8 mm) had 71% sensitivity and 97% specificity for prediction of post-menstrual spotting with overall accuracy was 83.3%. Scar volume (> 0.15 cm3) had 97% sensitivity and 100% specificity for prediction of post-menstrual spotting with overall accuracy was 98.4%. Conclusion MRI measures (CS scar volume, depth, and width) are predictors for postmenstrual spotting in patients with CS scar niche, and scar volume is the most powerful predictor."/>
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Egyptian Journal of Radiology and Nuclear Medicine

Table 2 Predictors of post-menstrual spotting in women with CS scar niche

From: Prediction of the relationship of cesarean section scar niche and postmenstrual spotting: is there any relation?

  Odds ratio 95% CI P-value
Scar length (mm) 0.76 0.33–3.45 0.12
Scar depth (mm) 3.47 2.33–7.98 < 0.001**
Scar width (mm) 2.5 2.11–5.55 < 0.001**
Scar volume (cm3) 7 3.40–11.40 < 0.001**
Minimal scar thickness (mm) 1.03 0.40–2.11 0.11
Relative change (%) 2.11 0.23–3.11 0.09
  1. CS: cesarean section; CI: confidence interval
  2. **Statistically significant
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