| RISK VARIABLE |
Count |
% of Pop. |
Mortality w/ Variable Present |
Mortality w/ Variable Absent |
Relative Risk |
c2 p-Value |
| CCS
Class II vs. I |
2 |
0.10% |
0 /
2 |
0.00% |
12
/ 229 |
5.24% |
0.00 |
0.7395 |
| CCS
Class III vs. I |
817 |
41.16% |
46
/ 817 |
5.63% |
12
/ 229 |
5.24% |
1.07 |
0.8196 |
| CCS
Class IV vs. I |
528 |
26.60% |
63
/ 528 |
11.93% |
12
/ 229 |
5.24% |
2.28 |
0.0046 |
| |
| NYHA
Class II vs. I |
268 |
13.50% |
11
/ 268 |
4.10% |
8 /
131 |
6.11% |
0.67 |
0.3778 |
| NYHA
Class III vs. I |
714 |
35.97% |
46
/ 714 |
6.44% |
8 /
131 |
6.11% |
1.05 |
0.8852 |
| NYHA
Class IV vs. I |
563 |
28.36% |
68
/ 563 |
12.08% |
8 /
131 |
6.11% |
1.98 |
0.0487 |
| |
| Aortic
Valve Disease |
189 |
9.52% |
10
/ 189 |
5.29% |
139
/ 1,796 |
7.74% |
0.68 |
0.2243 |
| Mitral
Valve Disease |
1,634 |
82.32% |
128
/ 1,634 |
7.83% |
21
/ 351 |
5.98% |
1.31 |
0.2325 |
| Tricuspid
Valve Disease |
193 |
9.72% |
12
/ 193 |
6.22% |
137
/ 1,792 |
7.65% |
0.81 |
0.4745 |
| Pulmonic
Valve Disease |
35 |
1.76% |
2 /
35 |
5.71% |
147
/ 1,950 |
7.54% |
0.76 |
0.6848 |
| |
| Reoperation
#1 vs. First Op |
194 |
9.77% |
27
/ 194 |
13.92% |
117
/ 1,772 |
6.60% |
2.11 |
0.0002 |
| Multiple
Reoperations vs. First Op |
19 |
0.96% |
5 /
19 |
26.32% |
117
/ 1,772 |
6.60% |
3.99 |
0.0007 |
| |
| Urgent
vs. Elective |
603 |
30.38% |
59
/ 603 |
9.78% |
69
/ 1,301 |
5.30% |
1.84 |
0.0003 |
| Emergent
vs. Elective |
64 |
3.22% |
14
/ 64 |
21.88% |
69
/ 1,301 |
5.30% |
4.12 |
0.0000 |
| Emergent/Salvage
vs. Elective |
17 |
0.86% |
7 /
17 |
41.18% |
69
/ 1,301 |
5.30% |
7.76 |
0.0000 |
| |
| Double
Vessel Disease vs. Single |
440 |
22.17% |
22
/ 440 |
5.00% |
8 /
272 |
2.94% |
1.70 |
0.1840 |
| Triple
Vessel Disease vs. Single |
1,176 |
59.24% |
113
/ 1,176 |
9.61% |
8 /
272 |
2.94% |
3.27 |
0.0003 |
| |
| Left
Main Disease |
314 |
15.82% |
44
/ 314 |
14.01% |
105
/ 1,671 |
6.28% |
2.23 |
0.0000 |
| |
| Preop
IABP |
172 |
8.66% |
28
/ 172 |
16.28% |
121
/ 1,813 |
6.67% |
2.44 |
0.0000 |
| |
| Age
61 - 65 vs. Age < 60 |
272 |
13.70% |
17
/ 272 |
6.25% |
11
/ 385 |
2.86% |
2.19 |
0.0340 |
| Age
66 - 70 vs. Age < 60 |
418 |
21.06% |
26
/ 418 |
6.22% |
9 /
344 |
2.62% |
2.38 |
0.0180 |
| Age
71 - 80 vs. Age < 60 |
772 |
38.89% |
74
/ 772 |
9.59% |
9 /
344 |
2.62% |
3.66 |
0.0000 |
| Age
> 80 vs. Age < 60 |
138 |
6.95% |
21
/ 138 |
15.22% |
9 /
344 |
2.62% |
5.82 |
0.0000 |
| |
| E.F.
45% - 54% vs. E.F. =55% |
394 |
19.85% |
28
/ 394 |
7.11% |
25
/ 438 |
5.71% |
1.25 |
0.4094 |
| E.F.
35% - 44% vs. E.F. =55% |
389 |
19.60% |
29
/ 389 |
7.46% |
25
/ 438 |
5.71% |
1.31 |
0.3100 |
| E.F.
25% - 34% vs. E.F. =55% |
355 |
17.88% |
37
/ 355 |
10.42% |
25
/ 438 |
5.71% |
1.83 |
0.0139 |
| E.F.<
25% vs. E.F. =55% |
|
