| RISK VARIABLE |
Count |
% of Pop. |
Mortality w/ Variable Present |
Mortality w/ Variable Absent |
Relative Risk |
c2 p-Value |
| CCS
Class II vs. I |
0 |
|
|
|
6/89 |
6.74% |
|
|
| CCS
Class III vs. I |
109 |
39.07% |
2/109 |
1.83% |
6/89 |
6.74% |
0.27 |
0.0811 |
| CCS
Class IV vs. I |
22 |
7.89% |
1/22 |
4.55% |
6/89 |
6.74% |
0.67 |
0.7044 |
| |
| NYHA
Class II vs. I |
35 |
12.54% |
0/35 |
0.00% |
0/4 |
0.00% |
|
|
| NYHA
Class III vs. I |
144 |
51.61% |
4/144 |
2.78% |
0/4 |
0.00% |
|
0.7354 |
| NYHA
Class IV vs. I |
48 |
17.20% |
4/48 |
8.33% |
0/4 |
0.00% |
|
0.5479 |
| |
| Aortic
Valve Disease |
225 |
80.65% |
6/225 |
2.67% |
4/54 |
7.41% |
0.36 |
0.0924 |
| Mitral
Valve Disease |
34 |
12.19% |
0/34 |
0.00% |
10/245 |
4.08% |
0.00 |
0.2302 |
| Tricuspid
Valve Disease |
10 |
3.58% |
0/10 |
0.00% |
10/269 |
3.72% |
0.00 |
0.5346 |
| Pulmonic
Valve Disease |
3 |
1.08% |
0/3 |
0.00% |
10/276 |
3.62% |
0.00 |
0.7371 |
| |
| Reoperation
#1 vs. First Op |
26 |
9.32% |
3/26 |
11.54% |
7/248 |
2.82% |
4.09 |
0.0241 |
| Multiple
Reoperations vs. First Op |
5 |
1.79% |
0/5 |
0.00% |
7/248 |
2.82% |
0.00 |
0.7032 |
| |
| Urgent
vs. Elective |
33 |
11.83% |
3/33 |
9.09% |
7/240 |
2.92% |
3.12 |
0.0767 |
| Emergent
vs. Elective |
5 |
1.79% |
0/5 |
0.00% |
7/240 |
2.92% |
0.00 |
0.6984 |
| Emergent/Salvage
vs. Elective |
1 |
0.36% |
0/1 |
0.00% |
7/240 |
2.92% |
0.00 |
0.8624 |
| |
| Double
Vessel Disease vs. Single |
0 |
|
|
|
0/4 |
0.00% |
|
|
| Triple
Vessel Disease vs. Single |
2 |
0.72% |
1/2 |
50.00% |
0/4 |
0.00% |
|
0.1213 |
| |
| Left
Main Disease |
1 |
0.36% |
0/1 |
0.00% |
10/278 |
3.60% |
0.00 |
0.8468 |
| |
| Preop
IABP |
1 |
0.36% |
0/1 |
0.00% |
10/278 |
3.60% |
0.00 |
0.8468 |
| |
| Age
61 - 65 vs. Age < 60 |
39 |
13.98% |
0/39 |
0.00% |
2/86 |
2.33% |
0 |
0.3370 |
| Age
66 - 70 vs. Age < 60 |
39 |
13.98% |
2/39 |
5.13% |
2/80 |
2.50% |
2.05 |
0.4553 |
| Age
71 - 80 vs. Age < 60 |
93 |
33.33% |
4/93 |
4.30% |
2/80 |
2.50% |
1.72 |
0.5186 |
| Age
> 80 vs. Age < 60 |
22 |
7.89% |
2/22 |
9.09% |
2/80 |
2.50% |
3.64 |
0.1584 |
| |
| E.F.
45% - 54% vs. E.F. =55% |
35 |
12.54% |
1/35 |
2.86% |
4/119 |
3.36% |
0.85 |
0.8824 |
| E.F.
35% - 44% vs. E.F. =55% |
16 |
5.73% |
0/16 |
0.00% |
4/119 |
3.36% |
0.00 |
0.4566 |
| E.F.
25% - 34% vs. E.F. =55% |
16 |
5.73% |
2/16 |
12.50% |
4/119 |
3.36% |
3.72 |
0.0958 |
| E.F.<
25% vs. E.F. =55% |
3 |
1.08% |
0/3 |
0.00% |
4/119 |
3.36% |
0.00 |
0.7468 |
| E.F.
Unknown vs. E.F. =55% |
90 |
32.26% |
3/90 |
3.33% |
4/119
|
