Comparison of Two Bayesian Methods in Evaluation of the Absence of the Gold Standard Diagnostic Tests

Table 2

The prior information of the Conditional Covariance Bayesian model.

Method	Knot	N	Mean	VAR	SD	CI	a	b
T-SPOT		18	0.893	0.002	0.049	0.869-0.917	41.770	5.005
		18	0.848	0.010	0.098	0.799-0.896	10.082	1.807
KD38		9	0.572	0.018	0.132	0.47-0.674	7.207	5.393
		9	0.717	0.007	0.082	0.654-0.781	20.067	7.920
Prev		11	0.417	0.023	0.153	0.315-0.52	3.991	5.579

: sensitivity of T-SPOT; : specificity of T-SPOT; : sensitivity of KD38; : specificity of KD38; : prevalence within the patients in the study; N: the number of published research; VAR: variance; SD: standard deviation; CI: credible interval; a and b were the parameters of the prior distribution.