STS NATIONAL CARDIAC SURGERY DATABASE
1996 CAB + MITRAL VALVE REPLACEMENT PATIENTS
UNIVARIATE ANALYSIS: POST OPERATIVE VARIABLES
PATIENT POPULATION: 2,822
OPERATIVE SURVIVORS: 2,465
OPERATIVE MORTALITIES: 357
|
RISK VARIABLE |
Count |
% of Pop. |
Mortality w/Variable Present |
|
Mortality w/Variable Absent |
|
Relative Risk |
c 2 p-Value |
|
Red Blood Cells Used |
1,779 |
63.04% |
281/1,779 |
15.80% |
76/1,043 |
7.29% |
2.17 |
0.0000 |
|
Fresh Frozen Plasma Used |
903 |
32.00% |
177/903 |
19.60% |
180/1,919 |
9.38% |
2.09 |
0.0000 |
|
Cryoprecipitate Used |
210 |
7.44% |
65/210 |
30.95% |
292/2,612 |
11.18% |
2.77 |
0.0000 |
|
Platelets Used |
790 |
27.99% |
170/790 |
21.52% |
187/2,032 |
9.20% |
2.34 |
0.0000 |
|
PostOp IABP |
61 |
2.16% |
30/61 |
49.18% |
327/2,761 |
11.84% |
4.15 |
0.0000 |