Importance Surgical site infection (SSI) complicates 2-5% of surgeries in the United States. Severity of SSI ranges from superficial skin infection to life-threatening conditions such as severe sepsis
Interventions: Group 1: On the day of the reconnaissance, the blood sampling with CRP, leukocytes, PCT, lactate and calprotectin. The next blood samples (CRP, leukocytes, PCT, lactate and Calprotectin