RISK VARIABLE

Count

% of Pop.

Mortality w/Variable Present

Mortality w/Variable Absent

Relative Risk

c² p-Value

Blood Cardioplegia

2,381

84.37%

297/2,381

12.47%

60/441

13.61%

0.92

0.5114

Cryst Cardioplegia

556

19.70%

72/556

12.95%

285/2,266

12.58%

1.03

0.8129

O2 Cryst Cardioplegia

92

3.26%

18/92

19.57%

339/2,730

12.42%

1.58

0.0425

Antegrade Cardioplegia

2,518

89.23%

317/2,518

12.59%

40/304

13.16%

0.96

0.7782

Retrograde Cardioplegia

1,922

68.11%

255/1,922

13.27%

102/900

11.33%

1.17

0.1497

Warm Cardioplegia

807

28.60%

98/807

12.14%

259/2,015

12.85%

0.94

0.6082

Cold Cardioplegia

2,542

90.08%

324/2,542

12.75%

33/280

11.79%

1.08

0.6464

Inotropes Leaving OR

2,010

71.23%

285/2,010

14.18%

72/812

8.87%

1.60

0.0001

Antiarrhy Leaving OR

348

12.33%

76/348

21.84%

281/2,474

11.36%

1.92

0.0000

Atrial Pacing

977

34.62%

165/977

16.89%

192/1,845

10.41%

1.62

0.0000

Ventriclar Pacing

975

34.55%

172/975

17.64%

185/1,847

10.02%

1.76

0.0000

IntraOp IABP

216

7.65%

72/216

33.33%

285/2,606

10.94%

3.05

0.0000