Table 1 Distributions of percentage of methylated reference (PMR) values in 460 colorectal cancers.

PMR	CACNA1G	CDKN2A	CRABP1	MLH1	NEUROG1
0	322	268	145	372	242
0–1	21	33	98	12	46
1–3	7	12	40	4	14
3–4	2	0	13	2	3
4–5	0	2	2	2	0
5–10	6	4	17	5	11
10–50	17	24	48	41	66
>50	85	117	97	22	78
Methylation positive (PMR >4)	108 (23%)	147 (32%)	164 (36%)	70 (15%)	155 (34%)