RISK VARIABLE

Count

% of Pop.

Mortality w/ Variable Present

Mortality w/ Variable Absent

Relative Risk

c² p-Value

Blood Cardioplegia

843

83.88%

73/ 843

8.66%

13/ 162

8.02%

1.08

0.7913

Cryst Cardioplegia

223

22.19%

20/ 223

8.97%

66/ 782

8.44%

1.06

0.8034

O2 Cryst Cardioplegia

31

3.08%

1/ 31

3.23%

85/ 974

8.73%

0.37

0.2811

Antegrade Cardioplegia

793

78.91%

68/ 793

8.58%

18/ 212

8.49%

1.01

0.9688

Retrograde Cardioplegia

790

78.61%

66/ 790

8.35%

20/ 215

9.30%

0.90

0.6596

Warm Cardioplegia

277

27.56%

24/ 277

8.66%

62/ 728

8.52%

1.02

0.9403

Cold Cardioplegia

921

91.64%

82/ 921

8.90%

4/ 84

4.76%

1.87

0.1940

Inotropes Leaving OR

639

63.58%

59/ 639

9.23%

27/ 366

7.38%

1.25

0.3114

Antiarrhy Leaving OR

96

9.55%

13/ 96

13.54%

73/ 909

8.03%

1.69

0.0664

Atrial Pacing

338

33.63%

40/ 338

11.83%

46/ 667

6.90%

1.72

0.0082

Ventriclar Pacing

347

34.53%

41/ 347

11.82%

45/ 658

6.84%

1.73

0.0073

IntraOp IABP

42

4.18%

16/ 42

38.10%

70/ 963

7.27%

5.24

0.0000