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Table 1 Demographic and clinical characteristics

From: Role of preoperative biliary stents, bile contamination and antibiotic prophylaxis in surgical site infections after pancreaticoduodenectomy

Characteristics All Non-stented patients Stented patients P-value
(N = 180) (N = 91, 50.6 %) (N = 89, 49.4 %)
Sex: Female/Male 72/108 40 (55.6)/51 (47.2) 32 (44.4)/57 (52.8) 0.346
Age: <68/≥68 (years) 85/95 44 (51.8)/47 (49.5) 41 (48.2)/48 (50.5) 0.875
Body mass index: <25/≥25 (kg/m2) 112/68 56 (50.0)/35 (51.5) 56 (50.0)/33 (48.5) 0.970
Previous neoplasia: No/Yes 143/37 74 (51.8)/17 (46.0) 69 (48.2)/20 (22.5) 0.657
Surgery for neoplasia: No/Yes 25/155 24 (96.0)/67 (43.2) 1 (4.0)/88 (56.8) <0.001
Diabetes: No/Yes 144/36 73 (50.7)/18 (50.0) 71 (49.3)/18 (50.0) 1.000
Preoperative jaundice: No/Yes 120/60 78 (65.0)/13 (21.7) 42 (35.0)/47 (78.3) <0.001
Cardiac disease: No/Yes 155/25 79 (51.0)/12 (48.0) 76 (49.0)/13 (52.0) 0.952
ASA physical status: 1-2/3-4 124/56 66 (53.2)/25 (44.6) 58 (46.8)/31 (55.4) 0.365
Previous antibiotic therapy: No/Yes 166/14 85 (51.2)/6 (42.9) 81 (48.8)/8 (57.1) 0.748
Preoperative CT or RT: No/Yes 170/10 88 (51.8)/3 (30.0) 82 (48.2)/7 (70.0) 0.210*
  1. ASA American Society of Anesthesiologists, CT chemotherapy, RT radiotherapy, *Fisher exact test