RISK VARIABLE

Count

% of Pop.

Mortality w/ Variable Present

Mortality w/ Variable Absent

Relative Risk

c² p-Value

Blood Cardioplegia

1,133

81.86%

16/ 1,133

1.41%

5/ 251

1.99%

0.71

0.4965

Cryst Cardioplegia

248

17.92%

3/ 248

1.21%

18/ 1,136

1.58%

0.76

0.6618

O2 Cryst Cardioplegia

56

4.05%

0/ 56

0.00%

21/ 1,328

1.58%

0.00

0.3430

Antegrade Cardioplegia

1,238

89.45%

15/ 1,238

1.21%

6/ 146

4.11%

0.29

0.0067

Retrograde Cardioplegia

826

59.68%

13/ 826

1.57%

8/ 558

1.43%

1.10

0.8343

Warm Cardioplegia

420

30.35%

7/ 420

1.67%

14/ 964

1.45%

1.15

0.7642

Cold Cardioplegia

1,160

83.82%

16/ 1,160

1.38%

5/ 224

2.23%

0.62

0.3391

Inotropes Leaving OR

597

43.14%

19/ 597

3.18%

2/ 787

0.25%

12.52

0.0000

Antiarrhy Leaving OR

102

7.37%

5/ 102

4.90%

16/ 1,282

1.25%

3.93

0.0037

Atrial Pacing

349

25.22%

10/ 349

2.87%

11/ 1,035

1.06%

2.70

0.0172

Ventriclar Pacing

252

18.21%

8/ 252

3.17%

13/ 1,132

1.15%

2.76

0.0173

IntraOp IABP

23

1.66%

4/ 23

17.39%

17/ 1,361

1.25%

13.92

0.0000