Observational Study
Copyright ©The Author(s) 2021.
World J Gastrointest Surg. May 27, 2021; 13(5): 476-492
Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.476
Table 1 Demographic data (categorical) of hepatocellular carcinoma patients undergoing liver resection, n (%), n = 3985
Variables

Total
S-HCC, < 10 cm
L-HCC, ≥ 10 cm
P value
Number13985 (100)3559 (89)426 (11)
GenderMale3061 (77)2716 (76)345 (81)0.031
Age≤ 209 (< 1)4 (< 1)5 (1)< 0.001
21-40292 (7) 240 (7)52 (12)
41-601668 (42)1478 (42)190 (45)
≥ 612016 (51)1837 (52)179 (42)
DiabetesYes831 (21)764 (21)67 (16)0.006
HypertensionYes1172 (29)1053 (30)119 (28)0.480
HBV surface antigenPositive2074 (52)1849 (52)225 (53)0.740
Anti-HCV antibodyPositive1135 (28)1091 (31)44 (10)< 0.001
Non-HBV non-HCVYes986 (25)815 (23)171 (40)< 0.001
Cigarette smokingYes380 (10)330 (9)50 (12)0.100
Alcohol consumptionYes322 (8)277 (8)45 (11)0.047
Betel nutYes109 (3)93 (3)16 (4)0.170
AJCC 6th (2002-2009)17711577194
Stage I1035 (58)973 (62)62 (32)< 0.001
Stage II347 (20)307 (19)40 (21)
Stage III364 (21)279 (18)85 (44)
Stage IV25 (1)18 (1)7 (4)
AJCC 7th (2010-2015)22141982232
Stage I1064 (48)1031(52)33 (14)< 0.001
Stage II783 (35)717 (36)66 (28)
Stage III341 (15)220 (11)121 (52)
Stage IV26 (1)14 (1)12 (5)