Table 3.

Patient clinical characteristics in each cluster

Characteristic	CIMP1 (n = 22)	CIMP2 (n = 37)	CIMP negative (n = 38)	P
Age
Median, years	68	69	67	0.90
Range, years	25–88	26–85	29–98
Missing data (N)	1	1	0
Gender (N)
Female	6	14	9	0.40
Male	15	22	29
Missing data	1	1	0
Location (n)
Proximal	12	18	8	0.004
Distal	7	12	25
Missing data	3	7	5
Stage (n)
1 or 2	8	18	17	0.84
3 or 4	6	14	17
Missing data	8	5	4