RISK VARIABLE

Count

% of Pop.

Mortality w/ Variable Present

Mortality w/ Variable Absent

Relative Risk

c² p-Value

CCS Class II vs. I

129

9.32%

2/ 129

1.55%

1/ 302

0.33%

4.70

0.1630

CCS Class III vs. I

295

21.32%

9/ 295

3.05%

1/ 302

0.33%

9.24

0.0100

CCS Class IV vs. I

95

6.86%

5/ 95

5.26%

1/ 302

0.33%

15.94

0.0006

NYHA Class II vs. I

245

17.70%

1/ 245

0.41%

0/ 140

0.00%

0.4490

NYHA Class III vs. I

552

39.88%

10/ 552

1.81%

0/ 140

0.00%

0.1090

NYHA Class IV vs. I

180

13.01%

6/ 180

3.33%

0/ 140

0.00%

0.0290

Aortic Valve Disease

85

6.14%

0/ 85

0.00%

21/ 1,299

1.62%

0.00

0.2375

Mitral Valve Disease

1,166

84.25%

14/ 1,166

1.20%

7/ 218

3.21%

0.37

0.0258

Tricuspid Valve Disease

114

8.24%

1/ 114

0.88%

20/ 1,270

1.57%

0.56

0.5594

Pulmonic Valve Disease

25

1.81%

0/ 25

0.00%

21/ 1,359

1.55%

0.00

0.5311

Reoperation #1 vs. First Op

106

7.66%

6/ 106

5.66%

14/ 1,257

1.11%

5.08

0.0002

Multiple Reoperations vs. First Op

21

1.52%

1/ 21

4.76%

14/ 1,257

1.11%

4.28

0.1237

Urgent vs. Elective

146

10.55%

4/ 146

2.74%

12/ 1,216

0.99%

2.78

0.0633

Emergent vs. Elective

20

1.45%

4/ 20

20.00%

12/ 1,216

0.99%

20.27

0.0000

Emergent/Salvage vs. Elective

2

0.14%

1/ 2

50.00%

12/ 1,216

0.99%

50.67

0.0000

Double Vessel Disease vs. Single

12

0.87%

0/ 12

0.00%

0/ 13

0.00%

Triple Vessel Disease vs. Single

6

0.43%

0/ 6

0.00%

0/ 13

0.00%

Left Main Disease

2

0.14%

0/ 2

0.00%

21/ 1,382

1.52%

0.00

0.8606

Preop IABP

16

1.16%

3/ 16

18.75%

18/ 1,368

1.32%

14.25

0.0000

Age 60 - 65 vs. Age < 60

216

15.61%

1/ 216

0.46%

2/ 626

0.32%

1.45

0.7603

Age 66 - 70 vs. Age < 60

209

15.10%

4/ 209

1.91%

2/ 626

0.32%

5.99

0.0181

Age 71 - 80 vs. Age < 60

287

20.74%

5/ 287

1.74%

2/ 626

0.32%

5.45

0.0221

Age > 80 vs. Age < 60

46

3.32%

9/ 46

19.57%

2/ 626

0.32%

61.24

0.0000

E.F. 45% - 54% vs. E.F. >=55%

251

18.14%

3/ 251

1.20%

9/ 648

1.39%

0.86

0.8204

E.F. 35% - 44% vs. E.F. >=55%

106

7.66%

2/ 106

1.89%

9/ 648

1.39%

1.36

0.6918

E.F. 25% - 34% vs. E.F. >=55%

38

2.75%

0/ 38

0.00%

9/ 648

1.39%

0.00

0.4646

E.F.< 25% vs. E.F. >=55%

8

0.58%

0/ 8

0.00%

9/ 648

1.39%

0.00

0.7371

E.F. Unknown vs. E.F. >=55%

333

24.06%

7/ 333

2.10%

9/ 648

1.39%

1.51

0.4037

LVEDP <15

280

20.23%

3/ 280

1.07%

6/ 293

2.05%

0.52

0.3470

LVEDP >=15

293

21.17%

6/ 293

2.05%

3/ 280

1.07%

1.92

0.3470

PA Sys <30

160

11.56%

0/ 160

0.00%

11/ 570

1.93%

0.00

0.0770

PA Sys >=30

570

41.18%

11/ 570

1.93%

0/ 160

0.00%

0.0770

PA Diast <15

245

17.70%

2/ 245

0.82%

9/ 431

2.09%

0.39

0.2090

PA Diast >=15

431

31.14%

9/ 431

2.09%

2/ 245

0.82%

2.55

0.2090

PA Wedge <15

209

15.10%

2/ 209

0.96%

8/ 407

1.97%

0.49

0.3480

PA Wedge >=15

407

29.41%

8/ 407

1.97%

2/ 209

0.96%

2.05

0.3480