Research Article

Expression of MAPK and PI3K/AKT/mTOR Proteins according to the Chronic Liver Disease Etiology in Hepatocellular Carcinoma

Table 1

Demographic, clinical, and histopathological parameters of HCC patients according to CLD etiology.

CharacteristicsAll etiologiesViral group (n = 41)Nonviral group (n = 39) value
HBVHCVAlcoholCryptogenic

Number80 (100.0)10 (12.5)31 (38.8)20 (25.5)19 (23.7)NA

Age (years)58.0 (52.0–64.0)56.0 (38.8–60.4)56.0 (51.0–62.0)58.5 (52.0–63.7)63.0a (57.0–66.8)0.023b

Gender
 F20 (25.0)1 (10.0)12 (38.7)a1 (5.0)6 (31.6)0.021b
 M60 (75.5)9 (90.0)19 (61.3)19 (95.0)a13 (68.4)
 MELD20 (16–24)21(20–28)20 (14–26)20 (17–23)20 (17–22)0.760b

CHILD
 A29/67 (43.2)6/8 (75.0)13/25 (52.0)5/19 (26.3)5/15 (33.3)0.205c
 B19/67 (28.4)1/8 (12.5)8/25 (32.0)6/19 (31.6)4/15 (26.7)
 C19/67 (28.4)1/8 (12.5)4/25 (16.0)8/19 (42.1)6/15 (40.0)
 AFP (ng/mL)14.7 (5.87–72.4)14.1 (3.17–585.2)25.1 (8.2–73.6)14.2 (5.3–64.3)7.4 (4.4–94.3)0.421b

No. of nodules
 ≤358/75 (77.3)8/9 (88.9)23/30 (76.7)16 (80)11/16 (68.8)0.751c
 >317/75 (22.7)1/9 (11.1)7/30 (23.3)4 (20)5/16 (31.3)
 Size of biggest nodule (cm)2.8 (2.0–3.5)2.8 (1.7–5.2)2.5 (2.1–3.5)2.6 (2.0–3.4)3.25 (2.5–5.0)0.411b

Histologic grade
 Low52/73 (71.2)8 (80.0)17/28 (60.6)12/18 (66.7)15/17 (88.2)0.221c
 High21/73 (28.7)2 (20.0)11/28 (39.3)6/18 (33.3)2/17 (11.8)

MIV
 No45/71 (63.3)9 (90)14/27 (51.9)11/17 (64.7)11/17 (64.7)0.166c
 Yes26/71 (36.7)1 (10)13/27 (48.1)6/17 (35.3)6/17 (35.3)

Data are expressed as absolute numbers (percentage) and median (interquartile range). Number of patients with the characteristic/number for whom the information was available. HCC, hepatocellular carcinoma; CLD, chronic liver disease; HBV, hepatitis B virus; HCV, hepatitis C virus; NA, not applicable; F, female; M, male; MELD, Model for End-Stage Liver Disease; CHILD, Child-Pugh classification; AFP, alpha-fetoprotein; MIV, microvascular invasion. aStatistically significant difference. bKruskal–Wallis test. cFisher’s exact test.