Table 2.

Group 2: ectatic aortas 2.6–2.9 cm at first scan with a minimum 1-year follow-up

Total number (n)	358
Mean growth rate	1.69 mm/year (0.0–6.67 mm/year)
+95% CI	1.82 mm/year
−95% CI	1.56 mm/year
Mean age at last scan	74.6 years
Mean follow-up	5.4 years (1–14 years)
Mean size at first scan	2.8 cm (2.6–2.9 cm)
Mean size at last scan	3.7 cm (2.6–6.0 cm)

Ranges are given in parentheses