Table 4.

Group 3: ectatic aortas (2.6–2.9 cm) at first scan with a minimum of 4 years' follow-up

Total number (n)	239
Mean growth rate	1.71 mm/year (0.0–5.75 mm/year)
+95% CI	1.85 mm/year
−95% CI	1.57 mm/year
Mean age at last scan	76.2 years
Mean follow-up	7.2 years (1–14 years)
Mean size at first scan	2.8 cm (2.6–2.9 cm)
Mean size at last scan	4.0 cm (2.6–6.0 cm)

Ranges are given in parentheses.