Table 3.

Different samples enrolled in the study

Sources	Number	Start ml	DNA yield (ng)	SampleNum	Library QC
CSF supernatant	29	1.2~8.6	0.00~7.70	111	failed
		2.5~12	9.74~642	18	pass
CFS cell pellet	29	1.2~8.6	3.28~15.6	16	failed
		2.5~8.6	5~48.5	13	pass
Plasma	29	1~10.5	13~162	29	pass
FFPE	19	\	27.42~439.6	19	pass