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Table 2: Frequency of procedure-related adverse events according to PRU
Quartile (No.) PRU Thromboembolic Events Procedure-Related Aneurysmal Perforations All Procedure-Related Adverse Events
1st (47) <240 2 (4.3%) 1 (2.1%) 3 (6.4%)
2nd (46) 240–284 1 (2.2%) 0 (0%) 1 (2.2%)
3rd (46) 285–332 3 (6.5%) 0 (0%) 3 (6.5%)
4th (47) >332 8 (17.0%) 2 (4.3%) 10 (21.3%)
P value^a .013 .605 .009

 
a χ² test for trends.

Quartile (No.)	PRU	Thromboembolic Events	Procedure-Related Aneurysmal Perforations	All Procedure-Related Adverse Events
1st (47)	<240	2 (4.3%)	1 (2.1%)	3 (6.4%)
2nd (46)	240–284	1 (2.2%)	0 (0%)	1 (2.2%)
3rd (46)	285–332	3 (6.5%)	0 (0%)	3 (6.5%)
4th (47)	>332	8 (17.0%)	2 (4.3%)	10 (21.3%)
P value^a		.013	.605	.009