| RISK VARIABLE |
Count |
% of Pop. |
Mortality w/ Variable Present |
Mortality w/ Variable Absent |
Relative Risk |
c2 p-Value |
| CCS
Class II vs. I |
30 |
0.65% |
0 /
30 |
0.00% |
58
/ 1,050 |
5.52% |
0.00 |
0.1857 |
| CCS
Class III vs. I |
1,447 |
31.42% |
64
/ 1,447 |
4.42% |
58
/ 1,050 |
5.52% |
0.80 |
0.2078 |
| CCS
Class IV vs. I |
552 |
11.99% |
70
/ 552 |
12.68% |
58
/ 1,050 |
5.52% |
2.30 |
0.0000 |
| |
| NYHA
Class II vs. I |
615 |
13.36% |
20
/ 615 |
3.25% |
10
/ 306 |
3.27% |
1.00 |
0.9898 |
| NYHA
Class III vs. I |
1,845 |
40.07% |
77
/ 1,845 |
4.17% |
10
/ 306 |
3.27% |
1.28 |
0.4565 |
| NYHA
Class IV vs. I |
958 |
20.80% |
103
/ 958 |
10.75% |
10
/ 306 |
3.27% |
3.29 |
0.0001 |
| |
| Aortic
Valve Disease |
465 |
10.10% |
33
/ 465 |
7.10% |
227
/ 4,140 |
5.48% |
1.29 |
0.1529 |
| Mitral
Valve Disease |
4,001 |
86.88% |
222
/ 4,001 |
5.55% |
38
/ 604 |
6.29% |
0.88 |
0.4610 |
| Tricuspid
Valve Disease |
421 |
9.14% |
25
/ 421 |
5.94% |
235
/ 4,184 |
5.62% |
1.06 |
0.7852 |
| Pulmonic
Valve Disease |
58 |
1.26% |
3 /
58 |
5.17% |
257
/ 4,547 |
5.65% |
0.92 |
0.8750 |
| |
| Reoperation
#1 vs. First Op |
967 |
21.00% |
81
/ 967 |
8.38% |
158
/ 3,420 |
4.62% |
1.81 |
0.0000 |
| Multiple
Reoperations vs. First Op |
218 |
4.73% |
21
/ 218 |
9.63% |
158
/ 3,420 |
4.62% |
2.09 |
0.0009 |
| |
| Urgent
vs. Elective |
730 |
15.85% |
66
/ 730 |
9.04% |
135
/ 3,675 |
3.67% |
2.46 |
0.0000 |
| Emergent
vs. Elective |
139 |
3.02% |
30
/ 139 |
21.58% |
135
/ 3,675 |
3.67% |
5.88 |
0.0000 |
| Emergent/Salvage
vs. Elective |
61 |
1.32% |
29
/ 61 |
47.54% |
135
/ 3,675 |
3.67% |
12.94 |
0.0000 |
| |
| Double
Vessel Disease vs. Single |
43 |
0.93% |
5 /
43 |
11.63% |
3 /
67 |
4.48% |
2.60 |
0.1588 |
| Triple
Vessel Disease vs. Single |
70 |
1.52% |
8 /
70 |
11.43% |
3 /
67 |
4.48% |
2.55 |
0.1345 |
| |
| Left
Main Disease |
12 |
0.26% |
1 /
12 |
8.33% |
259
/ 4,593 |
5.64% |
1.48 |
0.6863 |
| |
| Preop
IABP |
152 |
3.30% |
41
/ 152 |
26.97% |
219
/ 4,453 |
4.92% |
5.48 |
0.0000 |
| |
| Age
61 - 65 vs. Age < 60 |
544 |
11.81% |
22
/ 544 |
4.04% |
51
/ 1,872 |
2.72% |
1.48 |
0.1134 |
| Age
66 - 70 vs. Age < 60 |
723 |
15.70% |
39
/ 723 |
5.39% |
47
/ 1,770 |
2.66% |
2.03 |
0.0007 |
| Age
71 - 80 vs. Age < 60 |
1,257 |
27.30% |
119
/ 1,257 |
9.47% |
47
/ 1,770 |
2.66% |
3.57 |
0.0000 |
| Age
> 80 vs. Age < 60 |
209 |
4.54% |
29
/ 209 |
13.88% |
47
/ 1,770 |
2.66% |
5.23 |
0.0000 |
| |
| E.F.
45% - 54% vs. E.F. =55% |
935 |
20.30% |
42
/ 935 |
4.49% |
92
/ 1,905 |
4.83% |
0.93 |
0.6902 |
| E.F.
35% - 44% vs. E.F. =55% |
466 |
10.12% |
35
/ 466 |
7.51% |
92
/ 1,905 |
4.83% |
1.56 |
0.0212 |
| E.F.
25% - 34% vs. E.F. =55% |
193 |
4.19% |
18
/ 193 |
9.33% |
92
/ 1,905 |
4.83% |
1.93 |
0.0076 |
E.F.<
25% vs. E.F. =
| |
