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Table 8 Risk factors and protective factors according to italian literature

From: Focus on the prophylaxis, epidemiology and therapy of methicillin-resistant Staphylococcus aureus surgical site infections and a position paper on associated risk factors: the perspective of an Italian group of surgeons

Risk factors Marchi et al.
OR
Petrosillo et al.
OR
Fiorio et al.
OR
Duration of surgery > 75 percentile (minor criteria) 1,52 -- --
Hospitalization before major surgery >48 h
1,22
>24 h
1,45
>48 h
statistically significant
Urgent surgical intervention 1,29 1,73 --
ASA ≥ 3 (minor criteria) 1,71 -- --
Age > 70 years (major criteria) -- 1,5 --
Drainage > 3 days -- 2,17 --
NNIS score 2-3 -- 3,34 --
diabetes (minor criteria) -- -- statistically significant
Obesity (minor criteria) -- -- statistically significant
Protective factors    
Laparoscopy 0,49 -- --
SSIs hospital with active surveillance for at least 2 years 0,71 -- --
Adequate prophylaxis -- 0,68 --