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Table 3 Intra- and postoperative patient characteristics of patients developing DSI and control group

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

Indicators of course after major cardiac surgery Mediastinitis group Control group P-value of univariate comparisons
Double internal mammary arteries 13 (24%) 1112 (23%) n.s.
Pump time [min] 94,5 ± 7,3 81,2 ± 0,8 = 0,06
Aortic clamp time 68 ± 4,9 57 ± 0,51 <0,05
Operation time 207 ± 8,1 192,2 ± 0,9 = 0,06
Postoperative stay [days] 33 ± 1 7,0 ± 0,1 < 0,001
Atrial fibrillation, postoperative 30 (56%) 2042 (43%) P = 0.06
Reintubation 19 (35%) 193 (4%) < 0,001
Pleural effusions 24 (44%) 1998 (42%) n.s.
Rethorakotomy 7 (13%) 113 (2,3%) < 0,001
Hemoglobin, 6 h postoperative [g/dl] 10,5 ± 0,2 10,4 ± 0,16 n.s.
Hemoglobin, discharge [g/dl] 10,5 ± 0,2 11,2 ± 0,02 < 0,001
Erythrocytes, minimum during stay [g/dl] 2,8 ± 0,05 3,0 ± 0,01 < 0,001
Leukocytes, 6h postoperative [k/UL] 10,7 ± 0,8 10,0 ± 0,1 n.s.
Leukocytes, maximum postoperative [k/UL] 17,6 ± 1,1 14,3 ± 0,1 < 0,01
Serumcreatinine, postoperative [mg/dl] 2,4 ± 0,15 1,6 ± 0,02 < 0,001
Higher serum sodium postoperative [mmol/l] 145,9 ± 0,5 143,7 ± 0,05 < 0,001