Retrospective Study
Copyright ©The Author(s) 2025.
World J Gastrointest Surg. Jan 27, 2025; 17(1): 97596
Published online Jan 27, 2025. doi: 10.4240/wjgs.v17.i1.97596
Table 1 Baseline characteristics of the observation and control groups
Index
Observation group (n = 29)
Control group (n = 30)
t/χ²
P value
Gender
Male18170.1780.673
Female1113//
Age (years), mean ± SD52.68 ± 3.6553.48 ± 3.621.2050.230
Tumor type
Cholangiocarcinoma670.0600.807
Gallbladder cancer780.0500.823
Liver cancer640.6850.165
Ampullary carcinoma350.1080.742
Pancreatic cancer760.0980.754
Tumor diameter
< 3 cm11120.0270.871
≥ 3 cm1818//