Skip to main content

Table 3 Univariate statistical analysis of risk factors for surgical site infection (SSI) among 231 patients operated during the study period

From: Alcohol-based surgical hand preparation: translating scientific evidence into clinical practice

Variable Patients characteristics With SSI
(n = 15)
Without SSI
(n = 216)
Relative risk (95% CI) or p-value
Situation Total n (%)  
Chronic Hepatopathy Present 4 (1.7%) 1 (6.6%) 3 (1.3%) 4.05 (0.68–23.80)
Absent 227 (98.3%)  
Malignance Present 15 (6.5%) 1 (6.6%) 14 (6.4%) 1.02 (0.14–7.30)
Absent 216 (93.5%)  
Diabetes Mellitus Present 59 (25.5%) 2 (13.3%) 57 (26.3%) 0.44 (0.10–1.92)
Absent 172 (74.4%)  
Use of immunosuppressive drugs Present 7 (3%) 1 (6.6%) 6 (2.7%) 2.28 (0.34–15.04)
Absent 224 (97%)  
Smoking Present 53 (22.9%) 5 (33.3%) 48 (22.2% 1.67 (0.60–4.69)
Absent 178 (77.1%)  
Urgent surgery Present 16 (6.9%) 1 (6.6%) 15 (6.9%) 0.95 (0.13–6.84)
Absent 215 (93,1%)  
Technical complications during surgery Present 8 (3.4%) 1 (6.6%) 7 (3.3%) 1.99 (0.29–13.34)
Absent 223 (96.6%)  
Alcohol-based surgical hand preparation Present 99 (42.8%) 4 (26.6%) 95 (43.9%) 0.48 (0.16–1.48)
Absent 132 (57.2%)  
Extracorporeal circulation time (min)a   130 (65–210) 117 (80–145) p = 0.688
ASA scorea 2 (2-2) 2 (2-2) P = 0.932
Pre-operative length of stay (days)a 3 (1–7) 2 (1–6) p = 0.356
Duration of surgery (min)a 195 (129–285) 190 (125–261) p = 0.778
Body Mass Index – BMIa 28.5 (25.3–30.1) 26.6 (23.6–31.2) p = 0.802
  1. aMedian (interquartile range)