TVS parameters | Odd ratio | 95% C.I. for odd ratio | p value | ||
---|---|---|---|---|---|
Lower | Upper | ||||
Step 1 | Cervical length | 28.96 | 7.382 | 11,366.920 | 0.002 |
Funnel length | 0.000 | 0.000 | 0.253 | 0.182 | |
Funnel width | 0.125 | 0.002 | 7.844 | 0.325 | |
Distance of presenting part to external os | 0.045 | 0.001 | 1.924 | 0.105 | |
Position of cervix | 2.844 | 0.384 | 21.085 | 0.307 | |
Step 3 | Cervical length | 25.26 | 8.235 | 7749.528 | 0.002 |
Distance of presenting part to external os | 0.030 | 0.001 | 1.044 | 0.045 |