Univariate Analyses: Postoperative Variables -- 1997 Canada CAB Only -- STS

STS CANADIAN SURGERY DATABASE
1997 CAB ONLY PATIENTS
UNIVARIATE ANALYSIS: POSTOPERATIVE VARIABLES

PATIENT POPULATION:
OPERATIVE SURVIVORS:
OPERATIVE MORTALITIES:

3,500
3,411 ( 97.46% )
89 ( 2.54% )

RISK VARIABLE	Count	% of Pop.	Mortality w/ Variable Present		Mortality w/ Variable Absent		Relative Risk	c²p-Value
Red Blood Cells Used	979	27.97%	63/979	6.44%	26/2,521	1.03%	6.24	0.0000
Fresh Frozen Plasma Used	248	7.09%	25/248	10.08%	64/3,252	1.97%	5.12	0.0000
Cryoprecipitate Used	40	1.14%	5/40	12.50%	84/3,460	2.43%	5.15	0.0001
Platelets Used	140	4.00%	21/140	15.00%	68/3,360	2.02%	7.41	0.0000

Postop IABP	25	0.71%	8/25	32.00%	81/3,475	2.33%	13.73	0.0000