Probabilities | Probability | Source | Data type | 95% CI | Distribution | Notes |
---|---|---|---|---|---|---|
No-screen positive | 0.2500 | Mitchell et al., 2009 [31] | Binomial | 0.171–0.339 | Beta |  |
No-screen negative | 0.7500 | Mitchell et al., 2009 [31] | Binomial | 0.661–0.829 | Beta |  |
No-screen positive - true positive | 0.4000 | Mitchell et al., 2009 [31] | Binomial | 0.221–0.594 | Beta |  |
No-screen positive - false positive | 0.6000 | Mitchell et al., 2009 [31] | Binomial | 0.406–0.779 | Beta |  |
No-screen negative - true negative | 0.8667 | Mitchell et al., 2009 [31] | Binomial | 0.782–0.933 | Beta |  |
No-screen negative - false negative | 0.1333 | Mitchell et al., 2009 [31] | Binomial | 0.067–0.218 | Beta |  |
Costs | Cost (ÂŁ) | Source | Data type | 95% CI | Standard error | Notes |
No-screen | 31 | Curtis & Burns, 2016 [49] | Assumed fixed | 12.77–49.23 | Assumed to be 30% | One GP appointment lasting 9.22 minutes, including direct care staff, no qualifications. |