RISK VARIABLE

Count

% of Pop.

Mortality w/Variable Present

Mortality w/Variable Absent

Relative Risk

c² p-Value

Operative

Reop/Bleeding

165

5.85%

47/165

28.48%

310/2,657

11.67%

2.44

0.0000

Reop/Valve Dysfunction

8

0.28%

2/8

25.00%

355/2,814

12.62%

1.98

0.2927

Reop/Graft Occlusion

3

0.11%

2/3

66.67%

355/2,819

12.59%

5.29

0.0049

Reop/Other Cardiac

116

4.11%

27/116

23.28%

330/2,706

12.20%

1.91

0.0004

Reop/Non Cardiac

124

4.39%

35/124

28.23%

322/2,698

11.93%

2.37

0.0000

Perioperative MI

33

1.17%

11/33

33.33%

346/2,789

12.41%

2.69

0.0003

Infection

Sternum-Superficial

24

0.85%

1/24

4.17%

356/2,798

12.72%

0.33

0.2092

Sternum-Deep

18

0.64%

2/18

11.11%

355/2,804

12.66%

0.88

0.8437

Leg

68

2.41%

5/68

7.35%

352/2,754

12.78%

0.58

0.1834

IABP Site

3

0.11%

0/3

0.00%

357/2,819

12.66%

0.00

0.5096

Septicemia

106

3.76%

53/106

50.00%

304/2,716

11.19%

4.47

0.0000

Urinary Tract Infection

90

3.19%

12/90

13.33%

345/2,732

12.63%

1.06

0.8430

Neurologic

Stroke-Permanent

122

4.32%

41/122

33.61%

316/2,700

11.70%

2.87

0.0000

Stroke-Transient

52

1.84%

5/52

9.62%

352/2,770

12.71%

0.76

0.5063

Delirium

140

4.96%

20/140

14.29%

337/2,682

12.57%

1.14

0.5505

Continuous Coma > 24 Hrs

56

1.98%

40/56

71.43%

317/2,766

11.46%

6.23

0.0000

Pulmonary

Ventilation > 1 Day

625

22.15%

179/625

28.64%

178/2,197

8.10%

3.53

0.0000

Pulmonary Embolism

6

0.21%

1/6

16.67%

356/2,816

12.64%

1.32

0.7670

Pulmonary Edema

172

6.09%

48/172

27.91%

309/2,650

11.66%

2.39

0.0000

ARDS

92

3.26%

39/92

42.39%

318/2,730

11.65%

3.64

0.0000

Pneumonia

203

7.19%

55/203

27.09%

302/2,619

11.53%

2.35

0.0000

Renal

Renal Failure

358

12.69%

161/358

44.97%

196/2,464

7.95%

5.65

0.0000

Dialysis Required

141

5.00%

76/141

53.90%

281/2,681

10.48%

5.14

0.0000

Valvular

Structural Deterioration

6

0.21%

4/6

66.67%

353/2,816

12.54%

5.32

0.0001

NonStructural Dysfunction

2

0.07%

2/2

100.00%

355/2,820

12.59%

7.94

0.0002

Thromboembolism

5

0.18%

0/5

0.00%

357/2,817

12.67%

0.00

0.3944

Valve Thrombus

2

0.07%

1/2

50.00%

356/2,820

12.62%

3.96

0.1119

Anticoagulant Complication

16

0.57%

0/16

0.00%

357/2,806

12.72%

0.00

0.1269

Prosthetic Valve SBE

5

0.18%

2/5

40.00%

355/2,817

12.60%

3.17

0.0656

Vascular

Aortic Dissection

2

0.07%

2/2

100.00%

355/2,820

12.59%

7.94

0.0002

Illiac/Femoral Dissection

4

0.14%

2/4

50.00%

355/2,818

12.60%

3.97

0.0245

Acute Limb Ischemia

34

1.20%

19/34

55.88%

338/2,788

12.12%

4.61

0.0000

Other

Heart Block (Requiring Perm PM)

173

6.13%

11/173

6.36%

346/2,649

13.06%

0.49

0.0102

Cardiac Arrest

129

4.57%

92/129

71.32%

265/2,693

9.84%

7.25

0.0000

Anticoagulant Complication

59

2.09%

14/59

23.73%

343/2,763

12.41%

1.91

0.0097

Tamponade

47

1.67%

17/47

36.17%

340/2,775

12.25%

2.95

0.0000

GI Complication

181

6.41%

49/181

27.07%

308/2,641

11.66%

2.32

0.0000

Multi-System Failure

104

3.69%

87/104

83.65%

270/2,718

9.93%

8.42

0.0000

Atrial Fibrillation

835

29.59%

70/835

8.38%

287/1,987

14.44%

0.58

0.0000

Readmission <= 30 Days

181

6.41%

7/181

3.87%

350/2,641

13.25%

0.29

0.0002