Table 1.

Patient characteristics.

Characteristic	Subset	No. of patients	%
Total		162	100
Sex	Female	81	50
	Male	81	50
Median (range) age, years		64 (19–84)
Type of cancer	Glioma	36	22
	Lung cancer	29	18
	Breast cancer	25	15
	Colorectal cancer	10	6
	Prostate cancer	10	6
	Pancreatic cancer	9	6
	Ovarian cancer	7	4
	Head and neck cancer	6	4
	Kidney cancer	5	3
	Gastric cancer	5	3
	Biliary cancer	4	2
	Uterus cancer	4	2
	Cervical cancer	3	2
	Others brain tumor	2	1
	Esophageal cancer	2	1
	Small intestine cancer	1	1
	Skin cancer	1	1
	Sarcoma	2	1
	Anal cancer	1	1
Stade	Stade I-II-III	5	4
	Stade IV	119	96
Grade	II	4	11
	III	3	8
	IV	31	82
ECOG PS	0	45	28
	1	97	60
	2	13	8
	3	3	2
	Missing data	4	2
Tissue source	Biopsy	34	19
	Surgery	49	28
	Liquid biopsy	95	53
Median (range) of sampling		1 (1–3)
Delay between diagnosis and sampling (range), years		2 (0–27)
Delay between sampling and results (range), days		23 (6–142)
Number of previous lines of treatment	0	9	6
	1	31	19
	2	46	28
	>2	73	45
	Missing data	3	2