Small for gestational age | ||||
---|---|---|---|---|
Analyte Subgroup | Positive Likelihood Ratio (95% CI) | Negative Likelihood Ratio (95% CI) | Sensitivity (95% CI) | Specificity (95% CI) |
AFP>2.0MoM (BW<10th centile) | ||||
Incidence | Â | Â | Â | Â |
>10% | 2.69 (1.36–5.31) | 0.98 (0.96–1.00) | 0.04 (0.02–0.08) | 0.98 (0.98–0.99) |
≤ 10% | 3.71 (2.66–5.16) | 0.93 (0.88–0.97) | 0.06 (0.05–0.07) | 0.98 (0.98–0.98) |
HCG>2.0MoM(BW<10th centile) | ||||
Incidence | Â | Â | Â | Â |
>10% | 1.53 (1.1–2.12) | 0.89 (0.77–1.04) | 0.29 (0.22–0.37) | 0.79 (0.77–0.82) |
≤ 10% | 1.92 (1.72–2.13) | 0.95 (0.94–0.96) | 0.11 (0.1–0.12) | 0.94 (0.94–0.95) |
Pre-eclampsia | ||||
AFP>2.0MoM | ||||
Incidence | Â | Â | Â | Â |
>4% | 0.85 (0.41–1.78) | 1.01 (0.97–1.06) | 0.06 (0.02–0.13) | 0.93 (0.91–0.94) |
≤ 4% | 2.98 (1.77–5.03) | 0.96 (0.95–0.97) | 0.08 (0.06–0.09) | 0.96 (0.96–0.96) |
HCG>2.0MoM | ||||
Incidence | Â | Â | Â | Â |
>4% | 2.45 (0.65–2.93) | 0.68 (0.42–1.1) | 0.25 (0.21–0.3) | 0.92 (0.91–0.93) |
≤ 4% | 2.36 (1.81–3.08) | 0.89 (0.85–0.95) | 0.18 (0.16–0.2) | 0.93 (0.92–0.93) |