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Table 3 Patient Demographics, Perioperative Risk Factors, Operative Priority and Type of Cardiac Surgery

From: The impact of closed incision negative pressure therapy on prevention of median sternotomy infection for high risk cases: a single centre retrospective study

  Overall Control Group (n = 927) Overall ciNPT Group (n = 932) P value
RISK FACTORS
 Age mean (SD) 67.8 (10.03) 67.1 (10.78) 0.1510
 Male 680 (73.3%) 702 (75.3%)  
 Female 247 (26.7%) 230 (24.7%)  
 Obesity (BMI > 32 kg/m2) 207 (22.3%) 209 (22.4%) 1.00
 COPD 166 (17.9%) 168 (18.0%) 1.000
 Diabetes 236 (25.5%) 232 (24.9%) 0.836
OTHER FACTORS
 Logistic EuroSCORE mean ± SD 6.802 ± 9.7 8.3 ± 11.3 0.00015
OPERATIVE PRIORITY
 Urgent 217 (23.4%) 266 (28.5%) 0.0587
 Emergency 14 (1.51%) 29 (3.11%) 0.0300
 Elective 671 (72.4%) 610 (65.5%) 0.1678
 Expedite 25 (2.7%) 28 (3.0%) 0.7810
TYPE OF SURGERY
 CABG 623 (67.2%) 607 (65.1%) 0.65
 CABG + valve repair/replacement 65 (7.01%) 88 (9.44%) 0.09
 Valve repair/replacement 130 (14.0%) 123 (13.2%) 0.68
 Other cardiac procedure 109 (11.8%) 115 (12.3%) 0.77
  High Risk Control Group (n = 162) High Risk ciNPT Group (n = 158)  
Age 70.4 ± 9.6 68.4 ± 9.9 0.06
Logistic EuroScore 9.1 ± 12.4 10.9 ± 12.8 0.17
Elective 127 (77%) 120 (76.5%)  
Urgent 33 (20%) 34 (21%)  
Expedite 4 (2.4%) 3 (1.9%)  
Emergency 1 (0.6%) 1 (0.6%)  
  1. SD Standard Deviation, BMI Body Mass Index, COPD Chronic Obstructive Pulmonary Disease, EuroSCORE European System for Cardiac Operative Risk Evaluation, CABG Coronary Artery Bypass Grafting