Table 1.

Data about patients enrolled in this study

Characteristics	Patients, n (%)
Sex
Male	59 (65.6)
Female	31 (34.4)
Age (yr)
Median	53
Range	23-75
Tumor site
Colon	39 (43.3)
Rectal	51 (56.7)
Combined chemotherapy
Irinotecan-based	58 (64.4)
Oxaliplatin-based	29 (32.2)
Monotherapy	3 (3.3)
Cetuximab use
First line	29 (32.2)
Second line	23 (25.6)
Third line	28 (31.1)
Fourth line or more	10 (11.1)
Response status
Complete response	3 (3.3)
Partial response	31 (34.4)
Stable disease	35 (38.9)
Progressive disease	21 (23.3)