Efficacy and safety of radiotherapy in patients with microsatellite stable or proficient mismatch repair colorectal cancer liver metastasis

Table 3 Comparison of adverse reaction incidence, n (%)

Adverse reaction	Control (n = 21)	Observation (n = 22)	χ2	P value
Nausea and vomiting	8 (38.10)	6 (27.27)	0.573	0.449
Gastrointestinal reaction	5 (23.81)	4 (18.18)	0.006	0.937
Skin reaction	3 (14.29)	4 (18.18)	0.004	0.946
Bone marrow suppression	4 (19.05)	5 (22.73)	0.006	0.937
Liver and kidney function damage	13 (61.90)	11 (50.00)	0.617	0.432
Neurotoxicity	2 (9.52)	4 (18.18)	0.143	0.704
Leukopenia	8 (38.10)	7 (31.82)	0.186	0.665
Neutropenia	5 (23.81)	6 (27.27)	0.067	0.794
Thrombocytopenia	6 (28.57)	7 (31.82)	0.053	0.816