Table 1.

General demographic and clinical data of patients

Variables	Values
Age (mean ± SD (range))	59.79 ± 11.65 (34–84)
Cell free DNA concentration—MN Kit (mean ± SD (range)) (ng/ml)	13.92 ± 4.11 (3.6–22.3)
Cell free tumor DNA—QIAGEN Kit (mean ± SD (range)) (ng/ml)	19.1 ± 6.03 (6.1–32.6)
Recurrence after (month) (mean ± SD (range))	7.76 ± 5.4 (1–19)
Gender
Male	45.5%
Female	54.5%
Smoking
Yes	22.7%
No	77.3%
Stage
II	2.3%
III	4.5%
IV	93.2%
Recurrence
Yes	56.8%
No	43.2%
Current status
Alive	67.6%
Dead	32.4%
Metastasis
Non metastatic	11.4%
Metastasis to one organ	68.1%
Metastasis to two organ	9.1%
Metastasis to three organ	11.4%