an increasing trendp < 0.05
The detection ratio of pathogenic/likely pathogenic CNVs exhibited an increasing trend (χ2 trend = 8.60, p < 0.05), with the highest detection ratio found in the NT 4.5–5.4 mm group (8.7%).
The detection ratio of pathogenic/likely pathogenic CNVs exhibited an increasing trend (χ2 trend = 8.60, p < 0.05), with the highest detection ratio found in the NT 4.5–5.4 mm group (8.7%).