Table 3 Intraobserver repetability for ultrasound measurements of cervical dilatation
Cervical dilatation (cm) | Difference between highest and lowest values (cm) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Mean | Median | Range | Intra-CC (95%CI) | Repeatability coefficient (cm) (95%CI) | Mean | Median | 10th centile | 90th centile | Range |
4.53 | 4.60 | 1.37–7.20 | 0.99 (0.97–0.99) | ±0.68 (0.45–0.91) | 0.38 | 0.30 | 0.10 | 0.70 | 0–1.0 |