| RISK
VARIABLE |
Count |
% of Pop. |
Mortality w/ Variable
Present |
Mortality w/ Variable
Absent |
Relative Risk |
c 2 p-Value |
| Blood
Cardioplegia |
140,271 |
80.24% |
3,886
/ 140,271 |
2.77% |
944
/ 34,535 |
2.73% |
1.01 |
0.7079 |
| Cryst
Cardioplegia |
34,352 |
19.65% |
955
/ 34,352 |
2.78% |
3,875
/ 140,454 |
2.76% |
1.01 |
0.8304 |
| O2
Cryst Cardioplegia |
5,775 |
3.30% |
143
/ 5,775 |
2.48% |
4,687
/ 169,031 |
2.77% |
0.89 |
0.1762 |
| Antegrade
Cardioplegia |
155,577 |
89.00% |
4,126
/ 155,577 |
2.65% |
704
/ 19,229 |
3.66% |
0.72 |
0.0000 |
| Retrograde
Cardioplegia |
79,635 |
45.56% |
2,553
/ 79,635 |
3.21% |
2,277
/ 95,171 |
2.39% |
1.34 |
0.0000 |
| Warm
Cardioplegia |
52,789 |
30.20% |
1,554
/ 52,789 |
2.94% |
3,276
/ 122,017 |
2.68% |
1.1 |
0.0024 |
| Cold
Cardioplegia |
154,971 |
88.65% |
4,225
/ 154,971 |
2.73% |
605
/ 19,835 |
3.05% |
0.89 |
0.0088 |
| |
| Inotropes
Leaving OR |
71,585 |
40.95% |
3,220
/ 71,585 |
4.50% |
1,610
/ 103,221 |
1.56% |
2.88 |
0.0000 |
| Antiarrhy
Leaving OR |
11,541 |
6.60% |
814
/ 11,541 |
7.05% |
4,016
/ 163,265 |
2.46% |
2.87 |
0.0000 |
| |
| Atrial
Pacing |
33,432 |
19.13% |
1,362
/ 33,432 |
4.07% |
3,468
/ 141,374 |
2.45% |
1.66 |
0.0000 |
| Ventricular
Pacing |
24,235 |
13.86% |
1,313
/ 24,235 |
5.42% |
3,517
/ 150,571 |
2.34% |
2.32 |
0.0000 |
| |
| Intraop
IABP |
4,147 |
2.37% |
911
/ 4,147 |
21.97% |
3,919
/ 170,659 |
2.30% |
9.57 |
0.0000 |
|
