Table 3 Bivariate meta-analyses of false positive and negative rates
Analysis case | Number of studies | False negative rate (at risk of sensitisation) | False positive rate (unnecessary anti-D) | ||
|---|---|---|---|---|---|
Estimate (%) | 95% CI | Estimate (%) | 95% CI | ||
Inconclusive tests treated as test positive | 8 | 0.34 | 0.15–0.76 | 3.86 | 2.54–5.82 |
Excluding all women with inconclusive test results | 8 | 0.35 | 0.15–0.82 | 1.26 | 0.87–1.83 |
Studies conducted in Bristol only | 3 | 0.21 | 0.09–0.48 | 5.73 | 4.58–7.16 |