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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Gastrointest Surg. Jun 27, 2026; 18(6): 117962
Published online Jun 27, 2026. doi: 10.4240/wjgs.117962
Table 1 Comparison of baseline characteristics between two groups, n (%)
Variables
Total (n = 305)
Control group (n = 184)
Observation group (n = 121)
Statistic
P value
Age, mean ± SD59.10 ± 8.1158.75 ± 7.8259.62 ± 8.54t = -0.920.360
Genderχ2 = 0.410.524
Female92 (30.16)58 (31.52)34 (28.10)
Male213 (69.84)126 (68.48)87 (71.90)
BMI, mean ± SD23.09 ± 2.2122.99 ± 2.1923.25 ± 2.24t = -1.030.305
Hypertensionχ2 = 2.880.090
Without230 (75.41)145 (78.80)85 (70.25)
With75 (24.59)39 (21.20)36 (29.75)
Diabetesχ2 = 1.730.188
Without255 (83.61)158 (85.87)97 (80.17)
With50 (16.39)26 (14.13)24 (19.83)
Tumor diameter, mean ± SD4.54 ± 1.574.56 ± 1.584.51 ± 1.57t = 0.270.789
Surgery duration, mean ± SD161.77 ± 33.23161.76 ± 33.45161.79 ± 33.03t = -0.010.995
Pringle time, mean ± SD17.52 ± 5.3517.71 ± 5.2817.24 ± 5.47t = 0.750.454
Child-Pughχ2 = 3.010.083
A258 (84.59)161 (87.50)97 (80.17)
B47 (15.41)23 (12.50)24 (19.83)
Cirrhosisχ2 = 0.680.409
Without60 (19.67)39 (21.20)21 (17.36)
With245 (80.33)145 (78.80)100 (82.64)
Tumor numberχ2 = 0.150.695
Single265 (86.89)161 (87.50)104 (85.95)
Multiple40 (13.11)23 (12.50)17 (14.05)
ECOGχ2 = 1.550.213
0212 (69.51)123 (66.85)89 (73.55)
193 (30.49)61 (33.15)32 (26.45)


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