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Observational Study
Copyright: ©Author(s) 2026.
World J Gastroenterol. Jun 21, 2026; 32(23): 119613
Published online Jun 21, 2026. doi: 10.3748/wjg.v32.i23.119613
Table 3 Comparison of general data of patients that developed tumor recurrence within and after postoperative 1-year, n (%)
Variables
Early recurrence group (n = 114)
Late recurrence group (n = 102)
P value
Age (years), median (Q1, Q3)63.00 (57.00, 68.75)60.50 (53.25, 66.75)0.054
Sex0.302
Male65 (57.02)51 (50.00)
Female49 (42.98)51 (50.00)
Smoking history0.966
Yes31 (27.19)28 (27.45)
No83 (72.81)74 (72.55)
Diabetes0.423
Yes37 (32.46)28 (27.45)
No77 (67.54)74 (72.55)
BMI (kg/m2), median (Q1, Q3)23.14 (20.77, 24.97)22.74 (20.82, 24.46)0.529
WBC count (× 109/L), median (Q1, Q3)5.80 (4.82, 7.07)5.40 (4.37, 6.30)0.024a
NEUT count (× 109/L), median (Q1, Q3)3.62 (2.87, 4.65)3.15 (2.59, 4.20)0.023a
LYM count (× 109/L), median (Q1, Q3)1.51 (1.17, 1.90)1.39 (1.08, 1.80)0.209
Hemoglobin (g/L), mean ± SD123.47 ± 16.25122.77 ± 16.680.756
Platelet count (× 109/L), median (Q1, Q3)192.00 (164.00, 235.50)190.00 (143.25, 248.75)0.498
Serum albumin (g/L), mean ± SD38.11 ± 4.3138.77 ± 4.200.260
Serum ALT (U/L), median (Q1, Q3)32.50 (16.00, 84.00)40.00 (19.25, 97.00)0.193
Serum total bilirubin (μmol/L), median (Q1, Q3)15.85 (10.22, 111.20)15.55 (9.62, 79.90)0.597
Serum CEA (ng/mL), median (Q1, Q3)3.25 (1.70, 5.80)2.07 (1.40, 3.76)0.003a
Serum CA19-9 (U/mL), median (Q1, Q3)250.25 (39.23, 1000.73)113.10 (28.63, 565.90)0.020a
Biliary drainage0.392
Yes23 (20.18)16 (15.69)
No91 (79.82)86 (84.31)
Vascular invasion site0.961
PV17 (14.91)16 (15.69)
Confluence of PV and SMV57 (50.00)52 (50.98)
SMV40 (35.09)34 (33.33)
Imaging vascular morphology changes0.014a
Yes66 (57.89)42 (41.18)
No48 (42.11)60 (58.82)
Length of vascular invasion (cm), median (Q1, Q3)2.75 (2.15, 3.88)2.40 (1.80, 3.27)0.009a
Extent of vascular invasion0.679
≤ 18079 (69.30)68 (66.67)
> 18035 (30.70)34 (33.33)
Arterial invasion0.983
Yes18 (15.79)16 (15.69)
No96 (84.21)86 (84.31)
Surgical procedure0.895
Pancreaticoduodenectomy69 (60.53)63 (61.76)
Distal pancreatectomy6 (5.26)4 (3.92)
Total Pancreaticoduodenectomy39 (34.21)35 (34.31)
Vascular reconstruction procedure0.197
End-to-end anastomosis32 (28.07)37 (36.27)
Allogeneic vascular graft82 (71.93)65 (63.73)
Operation time (hours), median (Q1, Q3)12.00 (11.00, 14.75)13.00 (11.00, 15.00)0.719
Intraoperative blood loss (mL), median (Q1, Q3)750.00 (500.00, 1000.00)600.00 (400.00, 1000.00)0.372
Intraoperative blood transfusion0.158
Yes69 (60.53)52 (50.98)
No45 (39.47)50 (49.02)
Tumor site0.939
Pancreatic head and unicorn process70 (61.40)65 (63.73)
Pancreatic neck37 (32.46)31 (30.39)
Pancreatic body and tail7 (6.14)6 (5.88)
Tumor differentiation0.003a
Low54 (47.37)28 (27.45)
Moderate and high60 (52.63)74 (72.55)
Tumor diameter (cm), median (Q1, Q3)4.00 (3.00, 5.00)3.00 (2.50, 4.00)0.002a
Lymph node metastasis0.001a
Yes94 (82.46)64 (62.75)
No20 (17.54)38 (37.25)
Postoperative adjuvant chemotherapy0.242
Yes58 (50.88)60 (58.82)
No56 (49.12)42 (41.18)


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