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Table 1 Model input parameters

From: Cost-effectiveness of cardiovascular magnetic resonance and single-photon emission computed tomography for diagnosis of coronary artery disease in Germany

Parameter

Value

Range

Ref.

SnC

Sensitivity of CMR

0.82

0.77-0.86

[17]

SpC

Specificity of CMR

0.86

0.82-0.89

[17]

SnS

Sensitivity of SPECT

0.67

0.60-0.72

[17]

SpS

Specificity of SPECT

0.83

0.79-0.86

[17]

SnA

Sensitivity of angiography

1.00

N/A

[19–21]

SpA

Specificity of angiography

1.00

N/A

[19–21]

RC

Complication rate with CMR

0.0005

0.0001-0.001

[23]

RS

Complication rate with SPECT

0.0005

0.0001-0.001

[20]

RA

Complication rate with angiography

0.005

0.001-0.01

[28]

RF

Complication rate for patients with CAD and false-negative test results*

0.25

0.15-0.30

[20, 21]

MC

Mortality rate due to CMR

0.00005

0.00001-0.0001

[20, 24]

MS

Mortality rate due to SPECT

0.00005

0.00001-0.0001

[20, 24]

MA

Mortality rate due to angiography

0.00075

0.0001-0.0015

[28]

MF

Mortality rate for patients with CAD and false-negative test results*

0.20

0.15-0.25

[19, 20]

NDxC

Rate of non-diagnostic CMR

0.05

0.01-0.1

[17, 25]

NDxS

Rate of non-diagnostic SPECT

0.05

0.01-0.1

[17, 25]

NDxA

Rate of non-diagnostic angiography

0.00

N/A

[19–21]

CC

Cost of CMR [in €]

703

527-879

[31, 34]

CS

Cost of SPECT [in €]

504

378-630

[30, 33]

CA

Cost of angiography [in €]

2,926

2,195-3,658

[29, 35]

C

Cost of a complication# [in €]

14,478

10,859-18,098

[21, 36]

NC

No. of patients having CMR

1.0

N/A

[21]

NS

No. of patients having SPECT

1.0

N/A

[21]

NA

No. of patients having angiography

varies

Equation 1a

[19–21]

NFC

No. of false-negative CMR

varies

Equation 1a

[19–21]

NFS

No. of false-negative SPECT

varies

Equation 1a

[19–21]

P

Prevalence of CAD

varies

0.1-1.0

[19–21]

ΔQALY’

QALY extended by CAD therapy*

3.0

2.0-4.0

[20]

ΔQALY

Net QALY gained

varies

Equations 1c,2c

[20]

  1. *Over a 10-year follow-up period.
  2. #Assumed to be myocardial infarction (or cerebral, for invasive angiography).
  3. Angiography refers to invasive coronary angiography. Details of the parameters are given in the text.
  4. CAD: coronary artery disease; CMR: cardiovascular magnetic resonance; N/A: not applicable; QALY: quality-adjusted life-year; SPECT: single-photon emission computed tomography.