Application of radioactive iodine-125 microparticles in hepatocellular carcinoma with portal vein embolus

Table 1 Comparison of general information between two groups of patients

Characteristic	Joint group, n = 52	Control group, n = 44	Statistical value	P value
Male/female	33/19	29/15	χ2 = 0.062	0.803
Age in yr	62.5 ± 12.0	60.1 ± 13.9	t = 0.908	0.366
Maximum diameter of lesion in cm	7.6 ± 3.0	8.0 ± 3.4	t = 0.612	0.542
Child Pugh grading			χ2 = 0.019	0.890
A	30	26
B	22	18
PVTT position			χ2 = 0.055	0.973
Left branch of portal vein	21	17
Right branch of portal vein	19	16
Left and right branches of portal vein	12	11
HBsAg positivity	35	30	χ2 = 0.008	0.927

HBsAg: Hepatitis B surface antigen; PVTT: Portal vein tumor.