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Intra‐ and interobserver reproducibility of biparietal diameter measurement using outer‐to‐outer (BPDoo) or outer‐to‐inner (BPDoi) caliper placement method
| Measurement | Intraobserver | Interobserver | |
|---|---|---|---|
| Sonographer A | Sonographer B | ||
| BPDoo | 0.01 (2.08) | 0.02 (1.28) | 1.93 (4.16) |
| BPDoi | −0.16 (1.63) | −0.15 (1.33) | 0.80 (3.10) |
Data are given as mean difference (95% limits of agreement (LOA)) in percent. Upper and lower 95% LOA in each case can be calculated as mean difference ± value displayed.
