Table 3. Middle- and long-term effects of ultrasound screening^*1.

Follow-up at 3–5 years	Screening, n = 62 729	Control, n = 62 847	Odds ratio (95% CI)	P
AAA-related deaths	102	182	0.56 (0.44–0.72)	< 0.0001
Overall deaths	7 453	7 953	0.94 (0.86–1.02)	0.14
Elective AAA ‧operations	505	162	3.27 (2.15–5.00)	< 0.0001
Emergency ‧operations	55	101	0.55 (0.39–0.76)	0.0003
Follow-up at 7–15 years	Screening, n = 43 167	Control, n = 43 312	Odds ratio (95% CI)	P
AAA-related deaths	123	245	0.47 (0.25–0.90)	0.02
Overall deaths*2	14 922	15 568	0.94 (0.91–0.97)	< 0.0001
Elective AAA ‧operations	567	204	2.81 (2.40–3.30)	< 0.0001
Emergency ‧operations	77	172	0.48 (0.28–0.83)	0.009

^*1 Effects in men aged 64 to 83 years in four randomized studies (Chichester, MASS, Viborg, Western Australia).

^*2 Includes long-term results from the Australian study, i.e., 62 519 screened patients and 62 664 controls.