Univariate Analyses: Postoperative Complications -- 1997 Canada AVR + MVR Patients -- STS

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

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

Operative
Reop/Bleeding	8	15.69%	0/8	0.00%	2/43	4.65%	0.00	0.5337
Reop/Valve Dysfunction	0				2/51	3.92%
Reop/Graft Occlusion	0				2/51	3.92%
Reop/Other Cardiac	1	1.96%	0/1	0.00%	2/50	4.00%	0.00	0.8383
Reop/Non Cardiac	1	1.96%	1/1	100.00%	1/50	2.00%	50.00	0.0000
Perioperative MI	0				2/51	3.92%
Infection
Sternum-Superficial	0				2/51	3.92%
Sternum-Deep	0				2/51	3.92%
Leg	0				2/51	3.92%
IABP Site	0				2/51	3.92%
Septicemia	2	3.92%	2/2	100.00%	0/49	0.00%		0.0000
Urinary Tract Infection	5	9.80%	0/5	0.00%	2/46	4.35%	0.00	0.6343
Neurologic
Stroke-Permanent	3	5.88%	0/3	0.00%	2/48	4.17%	0.00	0.7183
Stroke-Transient	0				2/51	3.92%
Delirium	3	5.88%	0/3	0.00%	2/48	4.17%	0.00	0.7183
Continuous Coma > 24 Hrs	0				2/51	3.92%
Pulmonary
Ventilation > 1 Day	7	13.73%	2/7	28.57%	0/44	0.00%		0.0003
Pulmonary Embolism	0				2/51	3.92%
Pulmonary Edema	5	9.80%	2/5	40.00%	0/46	0.00%		0.0000
ARDS	1	1.96%	1/1	100.00%	1/50	2.00%	50.00	0.0000
Pneumonia	1	1.96%	1/1	100.00%	1/50	2.00%	50.00	0.0000
Renal
Renal Failure	6	11.76%	2/6	33.33%	0/45	0.00%		0.0001
Dialysis Required	3	5.88%	2/3	66.67%	0/48	0.00%		0.0000
Valvular
Structural Deterioration	0				2/51	3.92%
NonStructural Dysfunction	0				2/51	3.92%
Thromboembolism	0				2/51	3.92%
Valve Thrombus	0				2/51	3.92%
Anticoagulant Complication	1	1.96%	0/1	0.00%	2/50	4.00%	0.00	0.8383
Prosthetic Valve SBE	0				2/51	3.92%
Vascular
Aortic Dissection	0				2/51	3.92%
Iliac/Femoral Dissection	0				2/51	3.92%
Acute Limb Ischemia	0				2/51	3.92%
Other
Heart Block (Requiring Perm PM)	1	1.96%	0/1	© 1999 The Society of Thoracic Surgeons.