Overall (N=64) Early DSWI (N=33) Late DSWI (N=31) Odds Ratio 95% CI p-value
Demographics
Age (years) 60.3 ± 12 61.6 ± 10.3 59 ± 13.6 2 2 0.38
Female 23 (36) 7 (11) 16 (25) 3.96 1.32-11.8 0.01
Body mass index (kg/m2) 30.2 ± 7.1 30.7 ± 6 29.7 ± 8 1 1 0.67
Comorbidities
Hypertension 50 (78) 25 (76) 25 (81) 1.33 0.40-4.40 0.64
Diabetes mellitus 33 (52) 17 (52) 16 (52) 1.00 0.38-2.67 0.99
Coronary artery disease 44 (69) 23 (70) 21 (68) 0.91 0.31-2.62 0.87
Congestive heart failure 12 (19) 4 (12) 8 (26) 2.52 0.67-9.43 0.16
Hyperlipidemia 27 (44) 13 (41) 14 (47) 1.27 0.46-3.49 0.63
End-stage renal disease 14 (22) 9 (27) 5 (16) 0.51 0.15-1.74 0.28
Smoking history 20 (31) 14 (42) 6 (19) 0.32 0.10-1.00 0.05
Anemia 45 (71) 25 (76) 20 (67) 0.64 0.21-1.92 0.43
Immunosuppression 34 (53) 19 (58) 15 (48) 0.69 0.25-1.85 0.46
Reoperative sternotomy 11 (17) 3 (9) 8 (26) 3.47 0.82-14.6 0.08
Hemodynamic instability 16 (25) 8 (24) 8 (256) 1.08 0.35-3.37 0.89
Glycated hemoglobin 6.5 (5.7, 7.4) 6.9 (6.4, 7.5) 5.6 (5.2, 6.5) 2 2 0.003
Preoperative ejection fraction 55 (43, 65) 55 (50, 65) 55 (35, 63) 2 2 0.45
Transfer from outside hospital 30 (47) 13 (20) 17 (27) 1.86 0.69-5.04 0.22