. 2016 May 16;11(5):e0155126. doi: 10.1371/journal.pone.0155126

Table 1. Patient characteristics.

Patient characteristics at first diagnosis (n = 47)
Age (years)	Median 56 (range 37–79)
Gender	male (n = 29) / female (n = 15) / n.d. (n = 3)
T stage	I (n = 0) / II (n = 2) / III (n = 20) / IV (n = 9) / n.d. (n = 16)
N stage	0 (n = 8) / I (n = 13) / II (n = 11) / n.d. (n = 16)
M stage	0 (n = 11) / 1 (n = 28) / n.d. (n = 8)
KRAS staus	Wild type (n = 25) / Mutated (n = 21)
Patient characteristics at blood withdrawal
Liver metastases	Positive (n = 39) / Negative (n = 7)
Lung metastases	Positive (n = 26) / Negative (n = 20)
Lymph node metastases	Positive (n = 10) / Negative (n = 36)
Bone metastases	Positive (n = 4) / Negative (n = 42)
Therapy line	1^st (n = 4) / 2^nd (n = 9) / 3^rd (n = 9) / 4^th (n = 6) / 5^th (n = 9) / 6^th (n = 4) / 7^th (n = 2) / 8^th (n = 1)

Patient characteristics at time point of diagnosis and blood withdrawal.