Retrospective Study
Copyright ©The Author(s) 2024.
World J Gastrointest Surg. Aug 27, 2024; 16(8): 2555-2564
Published online Aug 27, 2024. doi: 10.4240/wjgs.v16.i8.2555
Table 1 Patients’ characteristics (n = 85)

TMPRSS4 expression
P value
Positivity (n = 46)
Negativity (n = 39)
Age, median (range), years75 (47-86)75 (57-87)0.612
Sex, male, n (%)23 (50)22 (56)0.555
Neoadjuvant chemotherapy, n (%)2 (4)1 (2)0.653
Preoperative CA19-9 level, median (range), U/mL37 (0-27146)13 (0-1246)0.019
Diseases, n (%)
Perihilar cholangiocarcinoma8 (17)6 (15)0.176
Distal cholangiocarcinoma10 (22)13 (34)
Gallbladder cancer19 (41)18 (46)
Ampulla of vater cancer9 (20)2 (5)
Operating time, median (range), min465 (82-962)425 (239-1052)0.853
Operative blood loss, median (range), mL310 (5-3950)410 (5-1600)0.609
Histology, tub1/tub2, n (%)37 (80)31 (79)0.913
Tumor stage, pT3/T4, n (%)14 (30)10 (26)0.624
Pathological tumor size, median (range), mm35 (0-110)25 (1-88)0.081
Lymphatic invasion (ly), n (%)16 (35)6 (15)0.039
Venous invasion (v), n (%)20 (43)14 (36)0.477
Neural invasion (ne), n (%)22 (48)17 (44)0.696
Tumor infiltrative type c (IFN c), n (%)8 (17)5 (13)0.558
Lymph node metastasis, n (%)24 (52)16 (41)0.304
Resection status, R0, n (%)36 (78)31 (80)0.890
Adjuvant chemotherapy, n (%)27 (59)22 (56)0.832