From: Sample size determination for point-of-care COVID-19 diagnostic tests: a Bayesian approach
 | Same | 1% smaller | 5% smaller | 10% smaller | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
\(\rho _T\) | 0.05 | 0.1 | 0.2 | 0.3 | 0.05 | 0.1 | 0.2 | 0.3 | 0.05 | 0.1 | 0.2 | 0.3 | 0.05 | 0.1 | 0.2 | 0.3 |
\(n_c\)Â Â | Sensitivity | |||||||||||||||
10 | 0.94 | 0.84 | 0.79 | 0.78 | 0.94 | 0.83 | 0.77 | 0.75 | 0.90 | 0.75 | 0.67 | 0.65 | 0.87 | 0.65 | 0.53 | 0.5 |
30 | 0.96 | 0.88 | 0.83 | 0.83 | 0.95 | 0.86 | 0.81 | 0.80 | 0.93 | 0.80 | 0.73 | 0.71 | 0.89 | 0.69 | 0.60 | 0.58 |
50 | 0.96 | 0.93 | 0.92 | 0.92 | 0.96 | 0.93 | 0.91 | 0.92 | 0.95 | 0.91 | 0.89 | 0.89 | 0.93 | 0.88 | 0.86 | 0.86 |
\(n_c\) | Specificity | |||||||||||||||
10 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.94 | 0.94 | 0.93 | 0.92 | 0.37 | 0.37 | 0.37 | 0.36 |
30 | 0.90 | 0.90 | 0.89 | 0.89 | 0.86 | 0.85 | 0.84 | 0.84 | 0.57 | 0.57 | 0.56 | 0.55 | 0.17 | 0.17 | 0.17 | 0.18 |
50 | 0.90 | 0.90 | 0.89 | 0.88 | 0.86 | 0.85 | 0.84 | 0.84 | 0.59 | 0.58 | 0.57 | 0.57 | 0.24 | 0.23 | 0.22 | 0.23 |
\(n_c\) | Both | |||||||||||||||
10 | 0.94 | 0.84 | 0.89 | 1.00 | 0.93 | 0.82 | 0.87 | 0.99 | 0.90 | 0.74 | 0.76 | 0.95 | 0.87 | 0.64 | 0.61 | 0.50 |
30 | 0.96 | 0.89 | 0.92 | 0.94 | 0.95 | 0.87 | 0.90 | 0.91 | 0.93 | 0.80 | 0.78 | 0.63 | 0.88 | 0.67 | 0.45 | 0.20 |
50 | 0.93 | 0.91 | 0.91 | 0.89 | 0.91 | 0.88 | 0.87 | 0.85 | 0.77 | 0.69 | 0.60 | 0.57 | 0.58 | 0.38 | 0.22 | 0.22 |