Table 9 Sensitivity analysis showing the predictability of elastography findings of the first visit to preterm labor
From: Value of cervical strain in ultrasound elastography as a predictor of spontaneous preterm delivery
Test result variable(s) | AUC | p value | Cutoff | Sensitivity (%) | Specificity (%) | 95% Confidence interval | |
|---|---|---|---|---|---|---|---|
Cervical length First visit | 0.11 | 0.0001 | 3 | 66.7 | 6.8 | 0.034 | 0.186 |
Strain T1 First visit | 0.898 | 0.0001 | > 0.01 | 93.3 | 59.1 | 0.828 | 0.969 |
Strain T2 First visit | 0.882 | 0.0001 | > 0.1 | 100 | 61.4 | 0.808 | 0.955 |
Ratio T1 First visit | 0.500 | 0.996 | > 0.88 | 50 | 45.5 | 0.366 | 0.633 |
Ratio T2 First visit | 0.490 | 0.886 | > 0.79 | 63.3 | 45.5 | 0.356 | 0.624 |