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Hazard Ratio (HR) for vaginal delivery after induction of labour according to Bishop Score and USG Score using Cox proportional hazard model
| HR | 95% CI | Chi square value | p-value | |
|---|---|---|---|---|
| Bishop Score | - | |||
| < 4 | 1 | Reference | 1.45 | 0.23 |
| ≥ 4 | 1.32 | 0.84 - 2.06 | ||
| Manipal USG Score | 52.55 | <0.0001 | ||
| < 4 | 1 | Reference | ||
| ≥ 4 | 6.96 | 4.12to 11.77 |
