Table 3.

Number of publication in each prevalence class

	Prevalence: < 1/ 1,000,000		Prevalence: 1–9/1,000,000		Prevalence: 1–9/100,000		Prevalence: 1–9/10,000
	Median	IQR	Median	IQR	Median	IQR	Median	IQR	p
Query strategy 1	1	18	635	1486	971	3151	3085	5349	< 0.001
Query strategy 2	0	10	351	684	511.5	1567	1285	4411	< 0.001
Query strategy 3	4	40.25	1291	5183	1662.5	6560	3271	15,283	< 0.001