Cost-effectiveness of a population-based AAA screening program for men over 65 years old in Iran

Table 3 Result of the 1-way sensitivity analysis of the selected variables

Variable	Cost (s)			QALY			ICER ($ per QALY)
Variable	No screening	Screening	Increment	No screening	Screening	Increment	ICER ($ per QALY)
Discount rate (%)
0	364	512	148	11.005	11.040	0.036	4151
0.6	199	332	133	7.182	7.200	0.018	7334
Cost of EVAR ($)
8289	203	308	104	8.780	8.806	0.025	4144
20,722	393	604	212	8.780	8.806	0.025	8409
Probability of the rupture in undetected large AAAs (3-monthly)
0.0197	267	406	139	8.799	8.817	0.018	7524
0.0367	266	406	141	8.765	8.796	0.031	4618
Cost of the screening test (ultrasound) per patient ($)
25	267	396	130	8.780	8.806	0.025	5153
57	267	420	154	8.780	8.806	0.025	6103
Prevalence of AAA (%)
0.01	235	338	103	8.795	8.812	0.017	7890
0.04	298	475	177	8.766	8.799	0.034	5275
Probability of death after emergency OSR
0.35	267	407	140	8.786	8.809	0.023	5984
0.65	266	406	140	8.775	8.802	0.027	5203
Probability of emergency surgery after rupture
0.2	241	387	147	8.771	8.800	0.028	5233
0.5	287	422	135	8.787	8.810	0.023	5886
Proportion of EVAR as elective surgery (%)
0.7	255	388	133	8.780	8.805	0.025	5311
0.9	278	425	147	8.781	8.806	0.025	5818
Transition probabilities from medium AAA to large AAA (3-monthly)
0.119	257	391	135	8.788	8.811	0.023	5833
0.231	271	414	143	8.776	8.802	0.026	5419
Probability of death after elective EVAR
0.004	267	407	140	8.781	8.807	0.026	5443
0.023	266	406	140	8.780	8.804	0.025	5709

AAA abdominal aortic aneurysm, EVAR endovascular aneurysm repair, OSR open surgical repair

ISSN: 1478-7547