<prompt> Infectionrate without antibiotic prophylaxis for clean contaminated surgery is1 - 22 - 56 - 910 - 15  <response>: Type of surgeryInfection rate with prophylaxisInfection rate without prophyloxisClean surgery1 - 2 1 - 2 Clean contaminated surgery36 - 9 Contaminated surgery6 13 - 20Dirty surgery740 