Efficacy of radiofrequency ablation combined with sorafenib for treating liver cancer complicated with portal hypertension and prognostic factors

Table 4 Comparison of adverse reactions between the two groups [n (%)]

Group	Diaphragm injury	Diarrhea	Rash	Portal vein and biliary tract injury	Gastrointestinal bleeding	Nausea and vomiting	Fatigue
Research group (n = 50)	3 (6.00)	14 (28.00)	20 (40.00)	13 (26.00)	5 (10.00)	9 (18.00)	33 (66.00)
Control group (n = 50)	1 (2.00)	2 (4.00)	2 (4.00)	10 (20.00)	3 (6.00)	1 (2.00)	10 (20.00)
χ2 value	1.042	10.714	18.881	0.508	0.543	7.111	21.583
P value	0.307	0.001	< 0.001	0.476	0.461	0.008	< 0.001