Nr.	times/size	found in	CSF			metastases			glioblastoma			p-value
Nr.	times/size	found in	Dalton	rel int	% (n = 23)	Dalton	rel int	% (n = 15)	Dalton	rel int	% (n = 24)	CSF-met	CSF-gbm	met-gbm
1	3513	CSF	3513	0.86	91.3	3511	0.05	13.3	3511	0.07	12.5	<0.0001	<0.0001	ns
68	×2 7026	CSF	7028	0.04	13.0	-	-	0	7017	0.004	8.3	ns	ns	ns
127	×4 14,052	met	14,085	0.01	13.0	14,090	0.01	20.0	14,060	0.01	16.7	ns	ns	ns
4	5865	CSF	5865	0.31	100.0	5867	0.11	40.0	5866	0.11	50.0	<0.0001	<0.0001	ns
16	×2 11,730	CSF	11,727	0.16	100.0	11,732	0.06	40.0	11,731	0.05	62.5	<0.0001	0.0016	ns
7	6025	met	6035	0.02	17.4	6025	0.23	40.0	6024	0.04	12.5	ns	ns	ns
21	×2 12,050	met	-	-	0	12043	0.13	26.7	12036	0.01	8.3	0.0185	ns	ns
8	1865	gbm	-	-	0	1866	0.09	20.0	1865	0.23	29.2	ns	0.0094	ns
94	×2 3730	met	-	-	0	3731	0.02	6.7	3741	0.001	4.2	ns	ns	ns
102	×4 7460	met	-	-	0	7445	0.02	13.3	7458	0.02	25	ns	0.0219	ns
113	×6 11,190	met	-	-	0	11,188	0.02	6.7	-	-	0	ns	ns	ns
194	×8 14,920	met	-	-	0	14,966	0.002	6.7	14,937	0.0002	4.2	ns	ns	ns