Clinicopathological features and surgical outcome of patients with fibrolamellar hepatocellular carcinoma (experience with 22 patients over a 15-year period)

Table 3 Clinicopathologic features and survival in fibrolamellar carcinoma (figures in parenthesis reflect percentages)

Factor	n (%)	Overall survival (mo)	P value
Age (yr)
< 40	16 (73)	86
≥ 40	6 (27)	72	0.4
Gender
Female	11 (50)	84
Male	11 (50)	79	0.6
Tumor size (cm)
< 10	8 (36)	82
≥ 10	14 (64)	76	0.3
Number
1	19 (86)	89
> 1	3 (14)	77	0.2
Hepatic resection
Hepatectomy	16 (73)	86
Extended hepatectomy	4 (18)	77
Localized resection	2 (9)	79	0.62
Nodal metastases
Negative	18 (82)	88
Positive	4 (18)	78	0.09
Vascular invasion
Absent	17 (77)	92
Present	5 (23)	58	0.03
Safety margin
Negative	20 (91)	87
Positive	2 (9)	72	0.08