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Table 5 Deep SSIs distribution and univariate odds ratio stratified for principal clinical and demographic characteristics

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

Characteristics Deep SSIs Deep SSIs OR (95 % Confidence Interval) P value
No Yes
N (% row) N (% row)
Sex     
 Female  Male 63 (87.5) 99 (93.4) 9 (12.5) 7 (6.6) 2.02 (0.72;5.70) 0.184
Age (years)a     
 <68  ≥68 78 (91.8) 84 (90.3) 7 (8.2) 9 (9.7) 1.19 (0.42,3.36) 0.737
Body mass index     
 <25Kg/m2  ≥25Kg/m2 104 (94.6) 58 (85.3) 6 (5.4) 10 (14.7) 2.99 (1.03;8.64) 0.043
Previous neoplasia     
 No  Yes 130 (91.6) 32 (88.9) 12 (8.4) 4 (11.1) 1.35 (0.41;4.48) 0.619
Surgery for neoplasia     
 No  Yes 23 (92.0) 139 (90.9) 2 (8.0) 14 (9.1) 1.16 (0.25;5.44) 0.852
Diabetes     
 No  Yes 130 (90.9) 32 (91.4) 13 (9.1) 3 (8.6) 0.94 (0.25;3.49) 0.923
Preoperative jaundice     
 No  Yes 108 (90.8) 54 (91.5) 11 (9.2) 5 (8.5) 0.91 (0.30;2.75) 0.866
Cardiac Disease     
 No  Yes 144 (93.5) 18 (75.0) 10 (6.5) 6 (25.0) 4.80 (1.56;14.78) 0.006
ASA physical status     
 1-2  3-4 116 (94.3) 46 (83.6) 7 (5.7) 9 (16.4) 3.24 (1.14;9.22) 0.027
Previous antibiotic therapy     
 No  Yes 149 (90.9) 13 (92.9) 15 (9.1) 1 (7.1) 0.76 (0.09;6.25) 0.802
Preoperative Chemotherapy/RT     
 No  Yes 152 (90.5) 10 (100) 16 (9.5) 0 / 0.306
Preoperative timea     
 ≤28.5 days  >28.5 days 85 (94.4) 77 (87.5) 5 (5.6) 11 (12.5) 2.43 (0.81;7.30) 0.114
  1. aAge and Preoperative time were cathegorized considering the median value; /:not evaluable
  2. Bold data are statistical significant results