Table 1. The parameter settings in simulation using gs2.0.

	Odds ratio	Sample size	Prevalence rate
Negative data sets	1.0	1000∼5000	0.1
Positive data sets I	1.2∼2.2	2000	0.1
Positive data sets II	1.6	1000∼5000	0.1
Positive data sets III	1.6	2000	0.01∼0.2