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Table 1 Base-case values of the model parameters

From: Economic burden in the management of transfusion-dependent thalassaemia patients in Malaysia from a societal perspective

Parameter

Cost (USD)a

Cost (MYR)b

Value

References

Iron chelation therapy

DFO (per gram)

10.81

44.00

 

[28]

DFX (per gram)

36.60

149.00

 

DFP (per gram)

0.49

2.00

 

Prescribed dosage (mg/kg/day)

DFO

  

47.4

[23]

DFX

  

24.6

DFP

  

75.0

[2]

Administration (monthly cost)

DFOc

96.80

393.98

 

[28]

DFX

0

0

 

DFP

0

0

 

Routine laboratory and instrumental monitoring test (monthly cost)

TDT patient < 10 years old

55.39

225.42

 

[29, 35]

TDT patient ≥ 10 years old

106.47

433.33

 

Blood transfusion cost (per transfusion)

per millilitred

0.16

0.67

 

[3, 35]

Blood group and cross matching test

2.7

11

 

Blood transfusion equipment

1.14

4.64

 

Compliance (%)

DFO-DFP

   

[10]

 DFO arm

  

77.3

 DFP arm

  

90.3

DFX

  

98.1

Cost of IOL complications

Cardiac complication, year 1

536.36

2183.00

 

[31]

Cardiac complication, year 2+

Diabetes mellitus, year 1

323.10

1315.00

 

[34]

Diabetes mellitus, year 2+

Hypogonadism, year 1

175.40

713.88

 

[28, 35]

Hypogonadism, year 2+

709.69

2888.42

 

Hypoparathyroidism, year 1

128.72

523.88

 

Hypoparathyroidism, year 2+

580.41

2362.27

 

Hypothyroidism, year 1

40.43

164.57

 

Hypothyroidism, year 2+

43.59

177.40

 

Annual mortality with cardiac disease (%)

  

0.0062

[26]

Relative risk of death, TDT vs general population

  

3.9

[23]

  1. aPrice of 2019
  2. bUSD 1 = MYR 4.07 (currency conversion index of Feb 2019)
  3. cDFO administration includes: battery infusion pump, talaset (infusion port), syringe, WFI and alcohol swab
  4. dUnit cost of filtered red cell (FRC). Each pack of FRC = 300 ml (Malaysia Heath Technology Assessment Section Ministry of Health Malaysia, 2017)