Impact of hepatectomy and postoperative adjuvant transarterial chemoembolization on serum tumor markers and prognosis in intermediate-stage hepatocellular carcinoma

Table 1 Analysis of baseline data

Considerations	Control group (n = 50)	Observation group (n = 58)	χ2	P value
Distinguishing between the sexes
Male	28	36	0.448	0.575
Females	23	22
Age
≥ 55 yr	28	35	0.329	0.565
< 55 yr	23	23
HBV
Be	40	45	0.093	0.760
Clogged	10	13
Cirrhosis
Be	22	30	0.423	0.642
Clogged	28	28
Child-push grading
Grade A	35	40	0.013	0.907
Level B	15	18
Number of tumours
≥ 3	27	38	1.486	0.222
< 3	23	20
Maximum tumour diameter
≥ 5 cm	23	18	2.554	0.110
< 5 cm	27	40
Degree of tumour differentiation
Highly differentiated	22	25	2.424	0.297
Middle ground	20	20
Low polarisation	8	3

HBV: Hepatitis B virus.