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Table 5 No significant differences between types of operation were observed (ANOVA)

From: The concept of negative pressure wound therapy (NPWT) after poststernotomy mediastinitis – a single center experience with 54 patients

Type of Surgery N Expected risk for mediastinits [%] Observed incidence of mediasitnitis [%] Observed/Expected
On-PCAB 1671 1,1 1,6 1,4
O(ff)-PCAB 917 1,0 0,4 0,4
Valve&CABG 710 1,3 1,7 1,3
Aortic surgery 229 1,2 0,4 0,1
Isolated Valves 2582 1,1 1,2 1,0
Double valves 76 1,1 1,3 4,2
Re-do valves 106 1,5 0,9 0,2
Miscellaneous 174 1,1 1,7 1,7