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Table 1 Summary of utility parameters used in the decision analytic model

From: Cost-effectiveness of endovenous laser ablation of the great saphenous vein in patients with uncomplicated primary varicosis

 

EVLT QALY

Surgery QALY

Time point

Data source for calculation, distribution

Base case 1 (+ Alternative 4, 7)

SF-36 derived HUI2-II score: 1.360; QALY: 0.1133

SF-36 derived HUI2-II score: 1.430; QALY: 0.1192

1 month

Rasmussen [1], triangular

Base case 2 (+ Alternative 5, 8)

SF-36 derived HUI2-II score:1.440; QALY: 0.3600

SF-36 derived HUI2-II score:1.470; QALY: 0.3675

3 months

Rasmussen [1], triangular

Base case 3(+ Alternative 6, 9)

SF-36 derived HUI2-II score:1.470; QALY: 0.735

SF-36 derived HUI2-II score:1.470; QALY: 0.735

6 months

Rasmussen [1], triangular

Alternative 10, 12, 13

SF-36 derived HUI2-II score: 1.480; QALY: 0.1709

SF-36 derived HUI2-II score: 1.390; QALY: 0.1605

6 weeks

Mekako [24], triangular

Alternative 11, 15, 14

SF-36 derived HUI2-II score: 1.520; QALY: 0.3510

SF-36 derived HUI2-II score:1.420; QALY: 0.3279

12 weeks

Mekako [24], triangular

Alternative 16, 17

SF-36 derived HUI2-II score: 1.467; QALY: 0.735

SF-36 derived HUI2-II score: 1.473; QALY: 0.735

6 months

Rasmussen [1], triangular

Alternative 18, 19

VAS disutility as to Kovacs: EVLT1: −0.28 EVLT2: −0.175; QALY: −0.0053846/−0.0033654

VAS disutility as to Kovacs: −0.28; QALY: −0.0053846

Day 7

Darwood [23], triangular

Alternative 20, 21

VAS disutility as to Kovacs: EVLT1: −0.385

EVLT2: −0.630; QALY: −0.0074038/−0.0121154

VAS disutility as to Kovacs: −0.49; QALY: −0.0094231

Mean day 1–7

Darwood [23], triangular

Alternative 22, 24

VAS disutility as to Kovacs: −0.606; QALY: −0.0126923

VAS disutility as to Kovacs: −0.602; QALY: −0.0115769

Day 7

Kalteis [22], triangular

Alternative 23, 25

VAS disutility as to Kovacs: −0.039; QALY: −0.00325

VAS disutility as to Kovacs: −0.087; QALY: −0.00715

Day 28

Kalteis [22], triangular