STS CANADIAN CARDIAC SURGERY
DATABASE
1997 AORTIC VALVE REPLACEMENT PATIENTS
UNIVARIATE ANALYSIS: INTRAOPERATIVE
VARIABLES |
PATIENT
POPULATION:
OPERATIVE SURVIVORS:
OPERATIVE MORTALITIES: |
279
269 ( 96.42% )
10 ( 3.58% ) |
|
| RISK
VARIABLE |
Count |
% of Pop. |
Mortality w/ Variable Present |
Mortality w/ Variable Absent |
Relative Risk |
c2 p-Value |
| Blood
Cardioplegia |
261 |
93.55% |
10/261 |
3.83% |
0/18 |
0.00% |
|
0.3977 |
| Cryst
Cardioplegia |
26 |
9.32% |
0/26 |
0.00% |
10/253 |
3.95% |
0.00 |
0.3019 |
| O2
Cryst Cardioplegia |
8 |
2.87% |
0/8 |
0.00% |
10/271 |
3.69% |
0.00 |
0.5800 |
| Antegrade
Cardioplegia |
244 |
87.46% |
10/244 |
4.10% |
0/35 |
0.00% |
|
0.2226 |
| Retrograde
Cardioplegia |
135 |
48.39% |
8/135 |
5.93% |
2/144 |
1.39% |
4.27 |
0.0416 |
| Warm
Cardioplegia |
104 |
37.28% |
8/104 |
7.69% |
2/175 |
1.14% |
6.73 |
0.0044 |
| Cold
Cardioplegia |
218 |
78.14% |
5/218 |
2.29% |
5/61 |
8.20% |
0.28 |
0.0284 |
| |
| Inotropes
Leaving OR |
110 |
39.43% |
5/110 |
4.55% |
5/169 |
2.96% |
1.54 |
0.4859 |
| Antiarrhy
Leaving OR |
7 |
2.51% |
0/7 |
0.00% |
10/272 |
3.68% |
0.00 |
0.6054 |
| |
| Atrial
Pacing |
79 |
28.32% |
5/79 |
6.33% |
5/200 |
2.50% |
2.53 |
0.1211 |
| Ventricular
Pacing |
51 |
18.28% |
2/51 |
3.92% |
8/228 |
3.51% |
1.12 |
0.8860 |
| |
| Intraop
IABP |
2 |
0.72% |
2/2 |
100.00% |
8/277 |
2.89% |
34.63 |
0.0000 |
|
