Clinical outcomes of targeted therapies in elderly patients aged ≥ 80 years with metastatic colorectal cancer

Table 2 Treatment-related toxicities

Toxicity	Group treated with TA		Group treated without TA
	Grade 1-2, %	Grade 3-4, %	Grade 1-2, %	Grade 3-4, %
Hematologic toxicity
Neutropenia	2 (13.3)	2 (13.3)	5 (33.3)	3 (20.0)
Anemia	3 (20.0)	2 (13.3)	4 (26.7)	1 (6.7)
Thrombocytopenia	0	0	5 (33.3)	1 (6.7)
Non-hematologic toxicity
Nausea/vomiting	5 (33.3)	2 (13.3)	3 (20.0)	2 (13.3)
Oral mucositis	6 (40.0)	1 (6.7)	2 (13.3)	0
Anorexia	8 (53.3)	0	7 (46.7)	0
Neuropathy	4 (28.5)	1 (6.7)	8 (57.1)	0
Diarrhea	2 (13.3)	1 (6.7)	3 (20.0)	1 (6.7)

TA: Targeted agent.