Table 3.
CRC, colorectal cancer; EGFR, epidermal growth factor receptor; CI, confidence interval; PFS, progression free survival; FOLFOX, fluorouracil, leucovorin, and oxaliplatin; XELOX, capecitabine plus oxaliplain; ECOG, Eastern Cooperative Oncology Group; PS, performance status; VEGF, vascular endothelial growth factor; FOLFIRI, 5-fluorouracil, leucovorin, and irinotecan.