Retrospective Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Aug 16, 2021; 9(23): 6734-6746
Published online Aug 16, 2021. doi: 10.12998/wjcc.v9.i23.6734
Table 2 Characteristics of hepatocellular carcinoma by cost of living index group between 2007 and 2015
COLI group

≤ 901
902-1044
1048-1169
≥ 1170
P value
Stage (%)I4403 (32.6) 3764 (33.1) 3977 (32.7) 3704 (34.2) < 0.001
II2201 (16.3) 2057 (18.1) 2006 (16.5) 1988 (18.4)
III2804 (20.7) 2380 (20.9) 2350 (19.3) 2100 (19.4)
IV2055 (15.2) 1582 (13.9) 1674 (13.8) 1410 (13.0)
UNK2052 (15.2) 1596 (14.0) 2160 (17.8) 1631 (15.1)
Tumor size (%)≤ 201335 (9.9) 1379 (12.1) 1378 (11.3) 1338 (12.4) < 0.001
21-301786 (13.2) 1835 (16.1) 1776 (14.6) 1598 (14.8)
31-502701 (20.0) 2353 (20.7) 2522 (20.7) 2136 (19.7)
514780 (35.4) 3830 (33.7) 4164 (34.2) 3664 (33.8)
UNK2913 (21.6) 1982 (17.4) 2327 (19.1) 2097 (19.4)
≤ 20 mm (%)1335 (9.9) 1379 (12.1) 1378 (11.3) 1338 (12.4) < 0.001
≤ 30.mm (%)3121 (23.1) 3214 (28.2) 3154 (25.9) 2936 (27.1) < 0.001
≤ 50.mm (%)5822 (43.1) 5567 (48.9) 5676 (46.7) 5072 (46.8) < 0.001
LRT (%)819 (6.1) 1268 (11.1) 1286 (10.6) 1244 (11.5) < 0.001
Resection (%)949 (7.0) 695 (6.1) 1000 (8.2) 1154 (10.7) < 0.001
Transplant (%)889 (6.6) 637 (5.6) 507 (4.2) 481 (4.4) < 0.001