Table 1.

Clinical demographics for the OS patients from whom plasma samples were obtained

Patient	Sex	Age (years)	Disease at diagnosis	Tumor site	Follow-up time (years)
1	Male	8.1	Localized	Femur	2.9
2	Male	21.3	Localized	Scapula	0.8
3	Female	17.8	Localized	Femur	2.1
4	Male	16.3	Localized	Femur	1.0
5	Male	13.1	Localized	Femur	1.3
6	Male	9.3	Localized	Tibia	2.8
7	Female	14.2	Localized	Tibia	2.1
8	Male	12.2	Localized	Femur	2.0
9	Female	15.9	Localized	Femur	2.1
10	Female	11.9	Localized	Femur	2.0
11	Male	12.1	Localized	Femur	1.9
12	Male	16.6	Localized	Humerus	2.3
13	Female	7.5	Localized	Femur	0.7
14	Female	12.1	Localized	Tibia	2.5
15	Female	16.9	Localized	Humerus	2.0
16	Male	19.1	Localized	Humerus	2.0
17	Female	16.2	Localized	Tibia	2.0
18	Female	17.1	Localized	Femur	2.4
19	Male	13.9	Localized	Femur	1.1
20	Male	22.7	Metastatic	Tibia	1.0
21	Female	9.0	Metastatic	Femur	1.3
22	Male	10.0	Metastatic	Femur	1.2
23	Female	14.3	Metastatic	Humerus	1.0
24	Male	12.7	Metastatic	Femur	0.7
25	Male	8.2	Metastatic	Other	2.2
26	Male	14.9	Metastatic	Femur	2.0
27	Female	16.4	Metastatic	Femur	1.9
28	Female	17.1	Metastatic	Femur	1.6
29	Male	12.7	Metastatic	Tibia	1.9
30	Male	4.4	Metastatic	Tibia	2.0
31	Female	17.3	Metastatic	Scapula	2.0
32	Male	11.4	Metastatic	Femur	2.0
33	Male	14.5	Metastatic	Femur	0.9
34	Male	15.5	Metastatic	Femur	1.0
35	Male	13.2	Metastatic	Femur	0.7
36	Male	11.6	Metastatic	Femur	0.5
37	Female	5.6	Metastatic	Femur	1.0
38	Female	7.7	Metastatic	Femur	1.2
39	Female	12.3	Metastatic	Tibia	1.0