Table 1.

Distribution of basic clinical and pathological characteristics in the TCGA dataset.

Subgroup	Age (years)		Sex		BMI (kg/m2)		TNM tumor stage
	Median	Range	Male	Female	Median	Range	I	II	III	IV
1	66	64-69	1	1	21.28	18.61-23.94	2	0	0	0
2	57	46-74	3	4	27.00	16.98-37.88	2	2	2	0
3	66	20-80	16	5	29.94	18.20-35.92	8	5	5	0
4	62	16-85	98	56	23.70	14.53-56.14	55	35	49	1
5	61	17-85	79	25	25.28	16.30-131.84	63	22	13	1
6	58	20-90	56	30	23.88	15.81-41.10	43	23	16	2

Abbreviations: BMI, body mass index (kg/m²).