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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Gastrointest Oncol. Jul 15, 2026; 18(7): 120704
Published online Jul 15, 2026. doi: 10.4251/wjgo.v18.i7.120704
Table 1 Demographics and baseline characteristics, n (%)/mean ± SD/median (interquartile range)
Variables
Total (n = 204)
Non-TO (n = 63)
TO (n = 141)
P value
Gender0.945
Female77 (37.75)24 (38.10)53 (37.59)
Male127 (62.25)39 (61.90)88 (62.41)
Age, years58.62 ± 10.4359.21 ± 10.8058.36 ± 10.290.594
BMI, kg/m223.46 ± 3.2922.96 ± 3.1323.68 ± 3.340.147
Hypertension0.135
No127 (62.25)44 (69.84)83 (58.87)
Yes77 (37.75)19 (30.16)58 (41.13)
Diabetes0.597
No181 (88.73)57 (90.48)124 (87.94)
Yes23 (11.27)6 (9.52)17 (12.06)
ASA class0.945
ASA class I-II185 (90.69)57 (90.48)128 (90.78)
ASA class III19 (9.31)6 (9.52)13 (9.22)
Colorectal cancer
Primary tumor location0.211
Rectum91 (44.61)24 (38.10)67 (47.52)
Colon113 (55.39)39 (61.90)74 (52.48)
Lymph nodal metastasis0.957
No61 (29.90)19 (30.16)42 (29.79)
Yes143 (70.10)44 (69.84)99 (70.21)
Tumor grade0.306
Low52 (25.49)19 (30.16)33 (23.40)
High152 (74.51)44 (69.84)108 (76.60)
CRLM
Surgical approach< 0.001
Open53 (25.98)30 (47.62)23 (16.31)
Laparoscopic151 (74.02)33 (52.38)118 (83.69)
Major hepatectomy
No186 (91.18)53 (84.13)133 (94.33)0.018
Yes18 (8.82)10 (15.87)8 (5.67)
Synchronous10.012
No60 (29.41)11 (17.46)49 (34.75)
Yes144 (70.59)52 (82.54)92 (65.25)
Distribution0.844
Unilobar134 (65.69)42 (66.67)92 (65.25)
Bilobar70 (34.31)21 (33.33)49 (34.75)
Simultaneous colorectal resection< 0.001
No140 (68.63)29 (46.03)111 (78.72)
Yes64 (31.37)34 (53.97)30 (21.28)
Number of lesions2.00 (1.00, 3.00)2.00 (1.00, 3.00)2.00 (1.00, 3.00)0.762
Max diameter, cm2.80 (1.95, 4.00)3.50 (2.20, 4.90)2.50 (1.60, 3.50)0.003
CEA, ng/mL7.89 (3.51, 31.01)8.82 (3.54, 29.12)7.89 (3.53, 32.41)0.429
Adjuvant therapy0.963
No49 (24.02)15 (23.81)34 (24.11)
Yes155 (75.98)48 (76.19)107 (75.89)
Neoadjuvant therapy0.005
No103 (50.49)41 (65.08)62 (43.97)
Yes101 (49.51)22 (34.92)79 (56.03)


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