Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Aug 28, 2011; 17(32): 3709-3715
Published online Aug 28, 2011. doi: 10.3748/wjg.v17.i32.3709
Table 1 Clinicopathological characteristics of patients of periods A and B with hepatocellular carcinoma
Period A(1991-1994)Period B(1995-2000)P-value
(n = 93)(n = 201)
Clinical factors
Gender (male/female)81/12161/400.144
Age (yr)161 ± 962 ± 90.102
HBs-Ag (±)73/20169/320.243
Anti-HCV Ab (±/unknown)29/62/271/125/50.471
Child-Pugh classification (A/B)79/14160/410.275
Preoperative Hb (g/dL)113.6 ± 1.513.3 ± 1.60.213
Tumor-related factors
Number of tumors (single/multiple)70/23146/550.635
Maximum tumor size (cm)13.8 ± 2.74.1 ± 3.10.450
Vascular invasion (±)83/10172/290.388
Histological grade (I, II/III, IV/unknown)40/41/1289/92/200.975
Surgery-related factors
Procedure (nonanatomical/anatomical)45/48101/1000.767
Operation time (min)1291 ± 144295 ± 1510.853
Resected liver volume (g)1218 ± 406214 ± 2890.925
Intraoperative blood loss (mL)12190 ± 56891621 ± 22090.219