Table 1.

Group 1: all patients with aortic diameters ≥ 2.6 cm at initial scan with minimum 1-year follow-up

Total number (n)	999
Mean growth rate	1.73 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	74.75 years (63.2–87.1 years)
Mean follow-up	5.43 years (1–14 years)
Mean size at first scan	2.8 cm (2.5–2.9 cm)
Mean size at last scan	3.8 cm (2.6–6.0 cm)

Ranges are given in parentheses.