Table 2.

Clinicopathologic parameters.

	Training n = 6	Validation n = 70
Age, median (min,max)	55 (46,61)	57 (28,71)
Gender, n (%)
male	4 (66.7)	52 (74.3)
female	2 (33.3)	18 (25.7)
T stage, n (%)
T3	4 (66.7)	47 (67.1)
T4	2 (33.3)	23 (32.9)
N stage, n (%)
N0	2 (33.3)	16 (35.7)
N+	4 (66.7)	54 (64.3)
differentiation, n (%)
poor/moderate	4 (66.7)	39 (55.7)
well	2 (33.3)	31 (44.3)
Histological type, n (%)
ulcerative	4 (66.7)	4 (66.7)
other	2 (33.3)	22 (31.4)
chemotherapy, n (%)
without oxaliplatin	4 (66.7)	43 (61.5)
with oxaliplatin	2 (33.3)	27 (38.5)