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Table 2 Characteristics of the Study Cohort Stratified by Surgical Antimicrobial Prophylaxis (SAP) Bundle

From: Prophylactic antibiotic bundle compliance and surgical site infections: an artificial neural network analysis

CharacteristicsTotal No. Surgical Procedures (%) n = 780No. SAP Bundle Compliant n = 718No. SAP Bundle Noncompliant n = 62p-value*
Sex
 Male307 (39.4)280 (39)27 (43.5) 
 Female473 (60.6)438 (61)35 (56.5)0.48
Age, y   0.07
  < 65547 (70.1)498 (69.4)49 (79) 
  ≥ 65233 (29.9)220 (30.6)13 (21) 
BMI   0.77
  < 30414 (53.1)380 (52.9)34 (54.8) 
  > =30366 (46.9)338 (47.1)28 (45.2) 
ASA score   0.92
  < 3297 (38.1)273 (38)24 (38.7) 
  ≥ 3483 (61.9)445 (62)4.8 (61.3) 
Diabetes   0.44
 Yes128 (16.4)120 (16.7)8 (12.9) 
 No652 (83.6)598 (83.3)54 (87.1) 
COPD   0.92
 Yes27 (3.5)25 (3.5)2 (3.2) 
 No753 (96.5)693 (96.5)60 (96.8) 
Smoker   0.001
 Yes123 (15.8)104 (14.5)19 (30.6) 
 No657 (84.2)614 (85.5)43 (69.4) 
On steroids   0.15
 Yes44 (5.6)38 (5.3)6 (9.7) 
 No736 (94.4)680 (94.7)56 (90.3) 
Emergent case   < 0.001
 Yes38 (4.9)26 (3.6)12 (19.4) 
 No742 (95.1)692 (96.4)50 (80.6) 
Elective case   < 0.001
 Yes624 (80)594 (82.7)30 (48.4) 
 No156 (20)124 (17.3)32 (51.6) 
SSI   0.07
 Yes29 (3.7)24 (3.3)5 (8.1) 
 No751 (96.3)694 (96.7)57 (91.9) 
  1. * p-value refers to comparison between SAP compliant and SAP noncompliant and are significant at alpha level of 0.05. SSI indicates surgical site infection; ASA, American Society of Anesthesiologists; BMI, body mass index