The Effects of Thoracic Epidural Analgesia during Percutaneous Radiofrequency Ablation for Hepatocellular Carcinoma

Table 3

Incidence of adverse effects.

Characteristic	Group C ()	Group E ()	value
Respiratory depression (%)	10 (5.7)	0 (0.0)	0.123
Nausea and vomiting (%)	29 (16.7)	16 (32.7)	0.024
Fever (%)	6 (3.4)	2 (4.1)	0.689
Voiding difficulty (%)	1 (0.6)	18 (36.7)	<0.001
Hypertension (%)	7 (4.0)	0 (0.0)	0.352

Values are the number of patients (%). compared with Group C.