“…Much of the literature examining SSIs has focused on pre-operative aspects of patient demographics and comorbidities. Female gender, 19,22,27,36 ; age over 70 years 4,18,21,29,31,33 obesity 30 , diabetes, smoking status, and COPD 13 30 have all been identified as factors associated with increased risk of developing SSIs, both in uni-and multi-variant analysis. The interaction between these factors are complex and multifaceted.…”