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Retrospective Cohort Study
©The Author(s) 2025.
World J Gastrointest Surg. Nov 27, 2025; 17(11): 111202
Published online Nov 27, 2025. doi: 10.4240/wjgs.v17.i11.111202
Table 1 Comparative baseline characteristics of the patients
Parameter
Overall (n = 279)
Group 1 (n = 28)
Group 2 (n = 251)
P value
Age, years (mean ± SD)67.7 ± 16.6165 ± 16.8568 ± 9.58< 0.001
Sex, n (%)0.058
    Male175 (62.72)17 (60.71)158 (62.94)
    Female104 (37.28)11 (39.29)93 (37.06)
Cigarette smoking (current/ex), n (%)216 (77.4)22 (78.57)172 (68.52)0.02
Tumor location, n (%)
    Head245 (87.81)25 (89.28)220 (83.66)0.031
    Body/tail29 (10.39)3 (10.72)26 (10.4)0.039
RDW (%; median [range])10.2 (7.5-16)11 (7.7-14.5)10.2 (7.5-16)0.03
CA19-9 (U/mL; median [range])256 (1.2-75000)97.2 (1.2-5500)255.9 (1.2-75000)0.022


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