STS National Database
STS CANADIAN CARDIAC SURGERY DATABASE
1997 CAB + AORTIC VALVE REPLACEMENT PATIENTS
UNIVARIATE ANALYSIS: POSTOPERATIVE VARIABLES
PATIENT POPULATION:
OPERATIVE SURVIVORS:
OPERATIVE MORTALITIES:		 236
219 ( 92.80% )
17 ( 7.20% )
RISK VARIABLE Count % of Pop. Mortality w/ Variable Present Mortality w/ Variable Absent Relative Risk c2 p-Value
Red Blood Cells Used 124 52.54% 13/124 10.48% 4/112 3.57% 2.94 0.0403
Fresh Frozen Plasma Used 47 19.92% 7/47 14.89% 10/189 5.29% 2.81 0.0227
Cryoprecipitate Used 8 3.39% 2/8 25.00% 15/228 6.58% 3.80 0.0476
Platelets Used 26 11.02% 4/26 15.38% 13/210 6.19% 2.49 0.0872
 
Postop IABP 1 0.42% 0/1 0.00% 17/235 7.23% 0.00 0.7801

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© 1999 The Society of Thoracic Surgeons.