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Observational Study
Copyright: ©Author(s) 2026.
World J Gastroenterol. Aug 28, 2026; 32(32): 119375
Published online Aug 28, 2026. doi: 10.3748/wjg.v32.i32.119375
Table 1 Patient baseline data, n (%)/median (interquartile range)
Variable
TOS (n = 122)
LHS (n = 144)
P value
Gender0.395
Male70 (57.4)90 (62.5)
Female52 (42.6)54 (37.5)
Age, years60.00 (53.00, 67.00)60.00 (51.25, 66.75)0.813
Body mass index, kg/m223.44 (21.07, 25.36)23.21 (21.49, 24.98)0.943
Underlying conditions0.570
Yes72 (59.0)80 (55.6)
No50 (41.0)64 (44.4)
Carcinoembryonic antigen at diagnosis, ng/mL0.496
< 545 (36.9)59 (41.0)
> 577 (47.5)85 (59.0)
Cancer antigen 19-9 at diagnosis, U/mL0.062
< 3797 (79.5)100 (69.4)
> 3725 (20.5)44 (30.6)
Preoperative chemotherapy0.423
Yes82 (67.2)90 (62.5)
No40 (30.8)54 (37.5)
Preoperative targeted therapy0.697
Yes28 (23.0)36 (25.0)
No94 (77.0)108 (75.0)
CRS score0.289
134 (27.9)50 (34.7)
253 (43.4)57 (39.6)
331 (25.4)33 (22.9)
44 (3.3)4 (2.8)


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