| RISK
VARIABLE |
Count |
% of Pop. |
Mortality w/ Variable Present |
Mortality w/ Variable Absent |
Relative Risk |
c2 p-Value |
| CCS
Class II vs. I |
19 |
0.95% |
1 /
19 |
5.26% |
10
/ 623 |
1.61% |
3.28 |
0.2261 |
| CCS
Class III vs. I |
574 |
28.70% |
15
/ 574 |
2.61% |
10
/ 623 |
1.61% |
1.63 |
0.2230 |
| CCS
Class IV vs. I |
127 |
6.35% |
9 /
127 |
7.09% |
10
/ 623 |
1.61% |
4.41 |
0.0003 |
| |
| NYHA
Class II vs. I |
482 |
24.10% |
6 /
482 |
1.24% |
3 /
227 |
1.32% |
0.94 |
0.9321 |
| NYHA
Class III vs. I |
696 |
34.80% |
15
/ 696 |
2.16% |
3 /
227 |
1.32% |
1.63 |
0.4303 |
| NYHA
Class IV vs. I |
239 |
11.95% |
16
/ 239 |
6.69% |
3 /
227 |
1.32% |
5.07 |
0.0034 |
| |
| Aortic
Valve Disease |
227 |
11.35% |
3 /
227 |
1.32% |
42
/ 1,773 |
2.37% |
0.56 |
0.3165 |
| Mitral
Valve Disease |
1,778 |
88.90% |
39
/ 1,778 |
2.19% |
6 /
222 |
2.70% |
0.81 |
0.6295 |
| Tricuspid
Valve Disease |
308 |
15.40% |
4 /
308 |
1.30% |
41
/ 1,692 |
2.42% |
0.54 |
0.2210 |
| Pulmonic
Valve Disease |
49 |
2.45% |
1 /
49 |
2.04% |
44
/ 1,951 |
2.26% |
0.90 |
0.9204 |
| |
| Reoperation
#1 vs. First Op |
126 |
6.30% |
11
/ 126 |
8.73% |
31
/ 1,845 |
1.68% |
5.20 |
0.0000 |
| Multiple
Reoperations vs. First Op |
29 |
1.45% |
3 /
29 |
10.34% |
31
/ 1,845 |
1.68% |
6.16 |
0.0005 |
| |
| Urgent
vs. Elective |
191 |
9.55% |
13
/ 191 |
6.81% |
29
/ 1,789 |
1.62% |
4.20 |
0.0000 |
| Emergent
vs. Elective |
18 |
0.90% |
2 /
18 |
11.11% |
29
/ 1,789 |
1.62% |
6.85 |
0.0020 |
| Emergent/Salvage
vs. Elective |
2 |
0.10% |
1 /
2 |
50.00% |
29
/ 1,789 |
1.62% |
30.84 |
0.0000 |
| |
| Double
Vessel Disease vs. Single |
6 |
0.30% |
0 /
6 |
0.00% |
1 /
17 |
5.88% |
0.00 |
0.5436 |
| Triple
Vessel Disease vs. Single |
18 |
0.90% |
2 /
18 |
11.11% |
1 /
17 |
5.88% |
1.89 |
0.5808 |
| |
| Left
Main Disease |
12 |
0.60% |
1 /
12 |
8.33% |
44
/ 1,988 |
2.21% |
3.77 |
0.1541 |
| |
| Preop
IABP |
31 |
1.55% |
6 /
31 |
19.35% |
39
/ 1,969 |
1.98% |
9.77 |
0.0000 |
| |
| Age
61 - 65 vs. Age < 60 |
239 |
11.95% |
6 /
239 |
2.51% |
7 /
999 |
0.70% |
3.58 |
0.0137 |
| Age
66 - 70 vs. Age < 60 |
280 |
14.00% |
9 /
280 |
3.21% |
7 /
952 |
0.74% |
4.37 |
0.0013 |
| Age
71 - 80 vs. Age < 60 |
426 |
21.30% |
20
/ 426 |
4.69% |
7 /
952 |
0.74% |
6.38 |
0.0000 |
| Age
> 80 vs. Age < 60 |
56 |
2.80% |
3 /
56 |
5.36% |
7 /
952 |
0.74% |
7.29 |
0.0007 |
| |
| E.F.
45% - 54% vs. E.F. =55% |
371 |
18.55% |
6 /
371 |
1.62% |
19
/ 997 |
1.91% |
0.85 |
0.7232 |
| E.F.
35% - 44% vs. E.F. =55% |
146 |
7.30% |
5 /
146 |
3.42% |
19
/ 997 |
1.91% |
1.80 |
0.2319 |
| E.F.
25% - 34% vs. E.F. =55% |
54 |
2.70% |
5 /
54 |
9.26% |
19
/ 997 |
1.91% |
4.86 |
0.0004 |
| E.F.<
25% vs. E.F. =55% |
17 |
|
|
