Psychological intervention reduces postembolization pain during hepatic arterial chemoembolization therapy: A complementary approach to drug analgesia

Table 1 Baseline characteristics of patients

Characteristics	Control group	Intervention group	Significance
	(n = 46)	(n = 216)
Age (yr)	54.11 ± 10.85	51.50 ± 11.54	t = 1.41	P = 0.16
Gender
Male	37	149
Female	9	67	χ2 = 2.42	P = 0.12
Tumor type
Primary	27	135
Metastatic	19	81	χ2 = 0.23	P = 0.63

P > 0.05 for each comparison.