Table 2.

Frequency of CMT types (n=520)

CMT type	N	Percent of sample
1A	252	54.2
1B	15	2.9
1C	1	0.2
1E	9	1.7
1F	2	0.4
1, unknown subtype	12	2.3
2A	31	6.0
2C	1	0.2
2D	4	0.8
2E	3	0.6
2, unknown subtype	30	5.8
4A	3	0.6
4B	2	0.4
4C	13	2.5
4F	1	0.2
4H	1	0.2
4J	4	0.8
CMTX1	10	1.9
CMTX3	6	1.2
HNPP	5	1.0
HMN	2	0.4
HSN	2	0.4
Unknown	81	15.6