STS NATIONAL CARDIAC SURGERY DATABASE
1996 AORTIC VALVE REPLACEMENT PATIENTS
UNIVARIATE ANALYSIS: POST OPERATIVE VARIABLES
PATIENT POPULATION: 8,352
OPERATIVE SURVIVORS: 8,032
OPERATIVE MORTALITIES: 320
|
RISK VARIABLE |
Count |
% of Pop. |
Mortality w/ Variable Present |
Mortality w/ Variable Absent |
Relative Risk |
c 2 p-Value |
||
|
Red Blood Cells Used |
3,260 |
39.03% |
205/ 3,260 |
6.29% |
115/ 5,092 |
2.26% |
2.78 |
0.0000 |
|
Fresh Frozen Plasma Used |
1,315 |
15.74% |
126/ 1,315 |
9.58% |
194/ 7,037 |
2.76% |
3.48 |
0.0000 |
|
Cryoprecipitate Used |
335 |
4.01% |
48/ 335 |
14.33% |
272/ 8,017 |
3.39% |
4.22 |
0.0000 |
|
Platelets Used |
1,225 |
14.67% |
114/ 1,225 |
9.31% |
206/ 7,127 |
2.89% |
3.22 |
0.0000 |
|
PostOp IABP |
37 |
0.44% |
14/ 37 |
37.84% |
306/ 8,315 |
3.68% |
10.28 |
0.0000 |