Table III.

Major event rates based on total number of events

Complication	Elective (N = 579) %	P valuea	Symptomatic (N = 82) %	P valueb	Ruptured (N = 348) %
Dysrhythmia	9	.01	15	.093	22
Renal declinec	8	<.01	12	<.01	33
Respiratory	7	<.01	16	<.01	53
Myocardial infarction	5	.03	8	<.01	24
Bowel	2	.6	1	<.01	17

^aElective vs symptomatic

^bsymptomatic vs rupture; P from χ² test. Significant at level of .05.

^cRenal decline defined as serum creatinine rise of 0.5 mg/dL or new initiation of dialysis.