Table 6.

Group 3b: ectatic aortas ≥ 5.0 cm at last scan with a minimum of 4 years' follow-up

Total number (n)	45
Mean growth rate	3.33 mm/year (2.0–5.8 mm/year)
+95% CI	3.61 mm/year
−95% CI	3.05 mm/year
Mean age at last scan	76.6 years
Mean follow-up	8.0 years (4–12.3 years)
Mean size at first scan	2.8 cm (2.6–2.9 cm)
Mean size at last scan	5.3 cm (5.0–6.0 cm)

Ranges are given in parentheses.