Survey question	Responses (of 277)
Proportion of vascular professionals who thought that patients view AAA as a “disease”	84%
Proportion of vascular professionals who thought that patients get anxious around the time of AAA surveillance	72%
Proportion of vascular professionals who thought patients are:
“Very preoccupied” with the size of their AAA	35%
“Somewhat preoccupied” by the size of their AAA	35%
“Slightly preoccupied” by the size of their AAA	27%
“Not at all preoccupied” by the size of their AAA	3%
Proportion of vascular professionals who thought the patient feels “cured” by AAA surgery	84%
In thehypotheticalscenario where a biomarker predicts the small AAA to be fastgrowing :
Proportion who thought patients would prefer to have surgery early	58%
Proportion who thought patients would prefer to delay surgery	26%
Proportion who were unsure what patients would prefer	17%
Amongst those vascular professionals who thoughts patients would prefer to have surgery early in the above hypothetical scenario:
Proportion who thought patients would prefer to have endovascular repair (EVAR)	55%
Proportion who thought patients would prefer to have open surgical repair (OSR)	14%
Proportion who thought patients would follow the surgeon's advice regarding the type of surgical repair	33%
In the above hypothetical scenario, would the vascular professional consider referring the patient to a clinical trial to test the benefit of early surgery:
“Yes, definitely”	48%
“Maybe”	42%
“No, definitely not”	10%
What vascular professionals thought was the most important outcome for the patient in such as clinical trial:
“To make the patients live longer”	40%
“To reduce the patients’ anxiety about their AAA”	42%
“To improve the patients’ quality of life“	18%