Univariate Analyses: Postoperative Variables -- 1997 Canada AVR + MVR -- STS

STS CANADIAN CARDIAC SURGERY DATABASE
1997 AORTIC + MITRAL VALVE REPLACEMENT PATIENTS
UNIVARIATE ANALYSIS: POSTOPERATIVE VARIABLES

PATIENT POPULATION:
OPERATIVE SURVIVORS:
OPERATIVE MORTALITIES:

51
49 (96.08%)
2 ( 3.92% )

RISK VARIABLE	Count	% of Pop.	Mortality w/ Variable Present		Mortality w/ Variable Absent		Relative Risk	c²p-Value
Red Blood Cells Used	30	58.82%	2/30	6.67%	0/21	0.00%		0.2274
Fresh Frozen Plasma Used	18	35.29%	1/18	5.56%	1/33	3.03%	1.83	0.6571
Cryoprecipitate Used	6	11.76%	0/6	0.00%	2/45	4.44%	0.00	0.5983
Platelets Used	12	23.53%	2/12	16.67%	0/39	0.00%		0.0093

Postop IABP	1	1.96%	1/1	100.00%	1/50	2.00%	50.00	0.0000