STS National Database
STS U.S. CARDIAC SURGERY DATABASE
1997 MITRAL VALVE REPAIR PATIENTS
UNIVARIATE ANALYSIS: POSTOPERATIVE VARIABLES

PATIENT POPULATION:
OPERATIVE SURVIVORS:
OPERATIVE MORTALITIES:
2,000
1,955 ( 97.75% )
45 ( 2.25% )
RISK VARIABLE Count % of Pop. Mortality w/ Variable Present Mortality w/ Variable Absent Relative Risk c2 p-Value
Red Blood Cells Used 639 31.95% 22 / 639 3.44% 23 / 1,361 1.69% 2.04 0.0137
Fresh Frozen Plasma Used 226 11.30% 16 / 226 7.08% 29 / 1,774 1.63% 4.33 0.0000
Cryoprecipitate Used 57 2.85% 4 / 57 7.02% 41 / 1,943 2.11% 3.33 0.0138
Platelets Used 224 11.20% 15 / 224 6.70% 30 / 1,776 1.69% 3.96 0.0000
 
Postop IABP 32 1.60% 2 / 32 6.25% 43 / 1,968 2.18% 2.86 0.1240

Jan 1999 DataJan 1998 DataSTS National DatabaseCTSNetSTS HomeSearchFeedback