STS National Database
STS U.S. CARDIAC SURGERY DATABASE
1997 CAB + MITRAL VALVE REPAIR PATIENTS
UNIVARIATE ANALYSIS: POSTOPERATIVE COMPLICATIONS

PATIENT POPULATION:
OPERATIVE SURVIVORS:
OPERATIVE MORTALITIES:
1,985
1,836 ( 92.49% )
149 ( 7.51% )
RISK VARIABLE Count % of Pop. Mortality w/ Variable Present Mortality w/ Variable Absent Relative Risk c2 p-Value
 
Operative  
Reop/Bleeding 108 5.44% 29 / 108 26.85% 120 / 1,877 6.39% 4.20 0.0000
Reop/Valve Dysfunction 12 0.60% 0 / 12 0.00% 149 / 1,973 7.55% 0.00 0.3223
Reop/Graft Occlusion 0       149 / 1,985 7.51%    
Reop/Other Cardiac 45 2.27% 4 / 45 8.89% 145 / 1,940 7.47% 1.19 0.7218
Reop/Non Cardiac 80 4.03% 16 / 80 20.00% 133 / 1,905 6.98% 2.86 0.0000
Perioperative MI 25 1.26% 7 / 25 28.00% 142 / 1,960 7.24% 3.86 0.0001
Infection  
Sternum-Superficial 20 1.01% 1 / 20 5.00% 148 / 1,965 7.53% 0.66 0.6690
Sternum-Deep 23 1.16% 2 / 23 8.70% 147 / 1,962 7.49% 1.16 0.8276
Leg 30 1.51% 2 / 30 6.67% 147 / 1,955 7.52% 0.89 0.8604
IABP Site 2 0.10% 0 / 2 0.00% 149 / 1,983 7.51% 0.00 0.6869
Septicemia 62 3.12% 23 / 62 37.10% 126 / 1,923 6.55% 5.66 0.0000
Urinary Tract Infection 61 3.07% 9 / 61 14.75% 140 / 1,924 7.28% 2.03 0.0291
Neurologic  
Stroke-Permanent 62 3.12% 23 / 62 37.10% 126 / 1,923 6.55% 5.66 0.0000
Stroke-Transient 28 1.41% 1 / 28 3.57% 148 / 1,957 7.56% 0.47 0.4261
Delirium 98 4.94% 10 / 98 10.20% 139 / 1,887 7.37% 1.39 0.2985
Continuous Coma > 24 Hrs 39 1.96% 32 / 39 82.05% 117 / 1,946 6.01% 13.65 0.0000
Pulmonary  
Ventilation > 1 Day 350 17.63% 82 / 350 23.43% 67 / 1,635 4.10% 5.72 0.0000
Pulmonary Embolism 6 0.30% 3 / 6 50.00% 146 / 1,979 7.38% 6.78 0.0001
Pulmonary Edema 95 4.79% 18 / 95 18.95% 131 / 1,890 6.93% 2.73 0.0000
ARDS 46 2.32% 14 / 46 30.43% 135 / 1,939 6.96% 4.37 0.0000
Pneumonia 105 5.29% 24 / 105 22.86% 125 / 1,880 6.65% 3.44 0.0000
Renal  
Renal Failure 204 10.28% 69 / 204 33.82% 80 / 1,781 4.49% 7.53 0.0000
Dialysis Required 64 3.22% 26 / 64 40.63% 123 / 1,921 6.40% 6.34 0.0000
Valvular  
Structural Deterioration 3 0.15% 0 / 3 0.00% 149 / 1,982 7.52% 0.00 0.6215
NonStructural Dysfunction 4 0.20% 1 / 4 25.00% 148 / 1,981 7.47% 3.35 0.1838
Thromboembolism 3 0.15% 1 / 3 33.33% 148 / 1,982 7.47% 4.46 0.0893
Valve Thrombus 0       149 / 1,985 7.51%    
Anticoagulant Complication 10