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. 2009 Aug 1;2(2):195. doi: 10.4022/jafib.195

Table 1. Summary of model inputs.

* Average cost for RFA procedure includes; 3-4 hospitalization days, diagnostic examinations e.g. ultrasound and/or CT and MR and catheters. § Anticoagulation treatment (warfarin) consists of; monitoring at specialist dept. (58 %), average cost per unit, 200SEK (22USD); number of visits per annum, 16.25; monitoring at primary care unit average cost per unit 545SEK (60USD) (42 % average cost 509SEK (56USD) of which 10 % at home, average cost 861SEK (94USD), number of visits, 13.75; travel, 42SEK (5USD); loss of production, 26SEK (3USD) and medication 576SEK (63USD).

Variable Value Distribution
Probability of AF free at 12 months
RFA 0.780
AAD 0.090
Rate of AF in AAD 2.4423 Gamma(24, 0.10)
Risk ratio RFA vs AAD 0.1017 Log normal
Stroke risk, AF (%) 1.5 Gamma(1, 0.02)
Stroke risk, free from AF (%) 1.5 Gamma(1, 0.02)
Complication with RFA 0.030 Beta(14, 448)
Cost items Mean costs; SEK (USD)
RFA procedure, single event* 90 000 (9 860) Gamma(36, 2500)
Complication cost 20 000 (2 190) Gamma(2, 11250)
AAD treatment, annual 15 000 (1 640) Gamma(9, 1667)
Anticoagulation treatment, annual§ 7 000 (770) Gamma(8, 875)
Cost of stroke (yr 1) 175 000 (19 180) Gamma(77, 2286)
Cost of stroke (>yr 1, per annum)) 40 000 (4 380) Gamma(16, 2500)
QALY-weights for males in normal population Age QALY-weights
>69 0.830 Beta(812, 166)
70-79 0.800 Beta(394, 99)
80< 0.740 Beta(103, 36)
Decrement for AF 0.100 Gamma(11, 0.01)
Decrement for stroke 0.250 Gamma(69, 0.00)
Annual discount rate Costs 0.03
Effects 0.03