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Retrospective Study
©The Author(s) 2025.
World J Gastrointest Surg. Aug 27, 2025; 17(8): 109326
Published online Aug 27, 2025. doi: 10.4240/wjgs.v17.i8.109326
Table 2 Patient characteristics

All elderly patients, n = 191
Fatal complication group1, n = 18
Non-fatal complication group, n = 173
P value
Sex, male/female131/6015/3116/570.15
Age at surgery (years)70.8 ± 7.573.7 ± 8.470.5 ± 7.30.09
Elderly onset139 (72.7)16 (88.8)123 (71.0)0.10
Disease duration (months)28 (6-103)9 (3.75-64)30 (7-104)0.48
Severe disease103 (53.9)14 (77.7)89 (51.4)0.04b
Alb (g/dL)2.6 (2.1-3.2)2.2 (1.7-2.7)2.6 (2.1-3.2)0.15
Lymphocyte (count/μL)1114 (543-1668)688 (204-1544)1164 (564-1684)0.06
CRP (mg/dL)1.7 (0.2-5.7)3.3 (0.7-8.5)1.5 (0.2-5.5)0.11
BMI18.8 (16.6-21.4)16.8 (15.0-19.5)18.8 (17.0-21.4)0.02b
Performance status ≥ 346 (24.0)14 (77.7)32 (18.4)< 0.01b
Smoker32 (16.7)1 (5.5)31 (17.9)0.18
ASA-PS ≥ 390 (47.1)13 (72.2)77 (44.5)0.06
Carlson risk index ≥ 318 (9.4)4 (22.2)14 (8.0)0.05
Pharmacotherapy
    Total given PSL dose (mg)2000 (500-6260)1840 (1176-5150)2000 (500-6610)0.55
    Preoperative PSL102 (53.4)13 (72.2)89 (51.4)0.09
    Immunomodulators89 (46.5)4 (22.2)85 (49.1)0.02b
    Calcineurin inhibitors18 (9.4)2 (11.1)16 (9.2)0.16
    JAK inhibitors3 (1.5)0 (0)3 (1.7)0.57
    Biologics60 (31.4)5 (27.7)55 (31.7)0.72
    Urgent/emergent surgery90 (47.1)15 (83.3)75 (43.3)< 0.01b
Laparoscopic surgery47 (24.6)4 (22.2)43 (24.8)0.80
Operative time (minutes)202 (163-253)173 (122-193)207 (172-262)< 0.01b
TC with ileostomy96 (50.2)12 (66.6)84 (48.5)0.14
APR with ileostomy47 (24.6)1 (5.5)46 (26.5)0.04b
Pouch surgery58 (30.3)3 (16.6)55 (31.7)0.18
Blood loss (mL)170 (75-300)100 (27-196)180 (80-310)0.73
Blood transfusion90 (47.1)10 (55.5)80 (46.2)0.45


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