. Author manuscript; available in PMC: 2017 Jan 1.

Published in final edited form as: J Vasc Surg. 2015 Oct 21;63(1):55–61. doi: 10.1016/j.jvs.2015.08.059

Table II.

Summary of Follow-Up Data Using RESCAN AAA Surveillance Recommendations

	3.0 – 3.9 cm	4.0 – 4.4 cm	4.5 – 5.4 cm	Overall
	(n=428)	(n=66)	(n=74)	(n=568)
*Follow-Up Rate by AAA Size*	*N(%)*

Follow-Up Rate	265 (61.9)	53 (80.3)	52 (70.3)	370 (65.1)
Follow-Up Consulted for AAA	54 (20.4)	37 (69.8)	33 (63.5)	124 (33.5)
Ultrasound	193 (72.8)	38 (71.7)	28 (53.8)	259 (70)
CT Scan	72 (27.2)	15 (28.3)	24 (46.2)	111 (30)

*Reasons for No Follow-Up*	*N(%)*

Image Not Ordered	124 (76.1)	6 (46.1)	9 (40.9)	139 (70.2)
Late Image	23 (14.1)	5 (38.5)	8 (36.4)	36 (18.2)
Patient No-Show	13 (8)	1 (7.7)	4 (18.2)	18 (9.1)
Patient Died Before Scan	3 (1.8)	1 (7.7)	1 (4.5)	5 (2.5)

AAA, abdominal aortic aneurysm; CT, computerized tomography; RESCAN, RESCAN Collaboration Group;