Table 1. Frequencies of scores.

	Score 0	Score 1	Score 2	Score 3	Score 4	Score 6	Score 8	Score 9	Score 12
PA°I – SLUG	32	4	3	0	2	2	0	2	0
DA°II – SLUG	7	0	0	0	0	0	0	0	0
AA°III – SLUG	22	0	1	0	0	0	0	0	0
GBM°IV – SLUG	76	22	23	5	25	31	43	11	12
PA°I – TWIST	28	1	7	0	2	0	2	2	0
DA°II – TWIST	7	0	0	0	0	0	0	0	0
AA°III – TWIST	22	0	0	0	1	0	0	0	0
GBM°IV – TWIST	98	19	26	8	36	26	22	4	8

PA°I = pilocytic astrocytoma, WHO grade I; DA°II = diffuse astrocytoma, WHO grade II; AA°III = anaplastic astrocytoma, WHO grade III; GBM°IV = glioblastoma, WHO grade IV