Risk factors for long-term prognosis of hepatocellular carcinoma patients after anatomic hepatectomy

Table 2 Univariate analyses of intraoperative and postoperative factors associated with 1-year and 3-year recurrence-free survival of hepatocellular carcinoma patients

Category	Number of patients	1 (yr)		3 (yr)
		χ2	P	χ2	P
Operation duration, h		0.026	0.873	0.045	0.832
≤ 3	6
3-5	17
> 5	51
Hepatic occlusion duration, min		0.368	0.544	0.007	0.932
≤ 30	41
> 30	33
Central venous pressure, mmHg		1.335	0.248	0.089	0.765
< 5	37
≥ 5	37
Hypotension		5.479	0.019	4.963	0.026
Yes	47
No	27
Hypotension frequency		3.855	0.050	3.490	0.062
≤ 3	44
> 3	30
Hypotension duration, min		3.342	0.068	2.134	0.144
≤ 30	38
> 30	36
Blood loss, mL		6.943	0.008	12.287	0.002
< 800	56
≥ 800	18
Fluid infusion, mL		11.453	0.022	9.936	0.042
≤ 1500	3
1500-3000	36
3000-4500	20
4500-6000	7
> 6000	8
Blood transfusion		3.888	0.049	4.275	0.039
Yes	24
No	50
Vasoactive drugs		0.089	0.766	0.049	0.824
Yes	13
No	61
Postoperative infection		4.322	0.038	4.224	0.040
Yes	29
No	45
Adjuvant therapy		3.204	0.202	1.654	0.437
None	64
Chemotherapy	7
Radiotherapy	3