| RISK VARIABLE |
Count |
% of Pop. |
Mortality w/ Variable Present |
Mortality w/ Variable Absent |
Relative Risk |
c2 p-Value |
| CCS
Class II vs. I |
0 |
|
|
|
1/2 |
50.00% |
|
|
| CCS
Class III vs. I |
11 |
44.00% |
0/11 |
0.00% |
1/2 |
50.00% |
0.00 |
0.0146 |
| CCS
Class IV vs. I |
7 |
28.00% |
1/7 |
14.29% |
1/2 |
50.00% |
0.29 |
0.2840 |
| |
| NYHA
Class II vs. I |
0 |
|
|
|
1/3 |
33.33% |
|
|
| NYHA
Class III vs. I |
10 |
40.00% |
0/10 |
0.00% |
1/3 |
33.33% |
0.00 |
0.0574 |
| NYHA
Class IV vs. I |
10 |
40.00% |
1/10 |
10.00% |
1/3 |
33.33% |
0.30 |
0.3259 |
| |
| Aortic
Valve Disease |
1 |
4.00% |
0/1 |
0.00% |
2/24 |
8.33% |
0.00 |
0.7634 |
| Mitral
Valve Disease |
13 |
52.00% |
0/13 |
0.00% |
2/12 |
16.67% |
0.00 |
0.1249 |
| Tricuspid
Valve Disease |
0 |
|
|
|
2/25 |
8.00% |
|
|
| Pulmonic
Valve Disease |
0 |
|
|
|
2/25 |
8.00% |
|
|
| |
| Reoperation
#1 vs. First Op |
2 |
8.00% |
1/2 |
50.00% |
1/23 |
4.35% |
11.50 |
0.0225 |
| Multiple
Reoperations vs. First Op |
0 |
|
|
|
1/23 |
4.35% |
|
|
| |
| Urgent
vs. Elective |
6 |
24.00% |
1/6 |
16.67% |
1/18 |
5.56% |
3.00 |
0.3938 |
| Emergent
vs. Elective |
1 |
4.00% |
0/1 |
0.00% |
1/18 |
5.56% |
0.00 |
0.8087 |
| Emergent/Salvage
vs. Elective |
0 |
|
|
|
1/18 |
5.56% |
|
|
| |
| Double
Vessel Disease vs. Single |
7 |
28.00% |
1/7 |
14.29% |
1/6 |
16.67% |
0.86 |
0.9056 |
| Triple
Vessel Disease vs. Single |
12 |
48.00% |
0/12 |
0.00% |
1/6 |
16.67% |
0.00 |
0.1456 |
| |
| Left
Main Disease |
1 |
4.00% |
1/1 |
100.00% |
1/24 |
4.17% |
24.00 |
0.0005 |
| |
| Preop
IABP |
1 |
4.00% |
0/1 |
0.00% |
2/24 |
8.33% |
0.00 |
0.7634 |
| |
| Age
61 - 65 vs. Age < 60 |
9 |
36.00% |
1/9 |
11.11% |
1/3 |
33.33% |
0.33 |
0.3711 |
| Age
66 - 70 vs. Age < 60 |
6 |
24.00% |
0/6 |
0.00% |
1/3 |
33.33% |
0.00 |
0.1336 |
| Age
71 - 80 vs. Age < 60 |
6 |
24.00% |
0/6 |
0.00% |
1/3 |
33.33% |
0.00 |
0.1336 |
| Age
> 80 vs. Age < 60 |
1 |
4.00% |
0/1 |
0.00% |
1/3 |
33.33% |
0.00 |
0.5050 |
| |
| E.F.
45% - 54% vs. E.F. =55% |
2 |
8.00% |
0/2 |
0.00% |
1/12 |
8.33% |
0.00 |
0.6718 |
| E.F.
35% - 44% vs. E.F. =55% |
4 |
16.00% |
0/4 |
0.00% |
1/12 |
8.33% |
0.00 |
0.5510 |
| E.F.
25% - 34% vs. E.F. =55% |
3 |
12.00% |
0/3 |
0.00% |
1/12 |
8.33% |
0.00 |
0.6048 |
| E.F.<
25% vs. E.F. =55% |
2 |
8.00% |
1/2 |
50.00% |
1/12 |
8.33% |
6.00 |
0.1190 |
| E.F.
Unknown vs. E.F. =55% |
2 |
8.00% |
0/2 |
0.00% |
1/12 |
8.33% |
0.00 |
0.6718 |
| |
| LVEDP
<15 |
2 |
8.00% |
0/2 |
