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Table 3 Patient Characteristics

From: Adherence to a standardized infection reduction bundle decreases surgical site infections after colon surgery: a retrospective cohort study on 526 patients

  2016 2017 p-value
Patients, N 277 249  
Female, N (%) 149 (53.4 %) 136 (54.6 %) 0.85
Mean age, years (Std Dev) 57.9 (20.5) 56.7 (21.1) 0.46
BMI, N (%)    0.75
 < 25 121 (43.7 %) 109 (43.8 %)  
 25.0–29.9 77 (27.8 %) 60 (24.1 %)  
 30.0–34.9 36 (13.0 %) 50 (20.1 %)  
 35.0–39.9 25 (9.0 %) 20 (8.0 %)  
 > 40 18 (6.5 %) 10 (4.0 %)  
ASA Class, N (%)    0.88
 Class 1 7 (2.5 %) 10 (4.0 %)  
 Class 2 94 (33.9 %) 90 (36.1 %)  
 Class 3 141 (50.9 %) 109 43.8 %)  
 Class 4 28 (10.1 %) 32 (12.9 %)  
 Class 5 7 (2.5 %) 8 (3.2 %)  
Mean OR Time, Hr (Std Dev) 2.3 2.2 0.49
Emergent, N (%) 32 (11.6 %) 27 (10.8 %) 0.79