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Table 4 Cost inputs (in USD) in the model

From: Cost-effectiveness of MRI targeted biopsy strategies for diagnosing prostate cancer in Singapore

Item

Mean value

Unit

Source

Other remarks

Cost inputs for diagnosis

Urology visit

82

Per visit

Public healthcare institutions

–

PSA test

41

Per test

Public healthcare institutions

–

Systematic biopsy

1108

Per session

MOH Casemix and Subvention System (2017)

–

Saturation biopsy

1563

Per session

MOH Casemix and Subvention System (2017)

–

mpMRI

827

Per session

Public healthcare institutions

–

MRI targeted biopsy (inclusive of mpMRI, MRI-US fusion targeted biopsy and systematic biopsy)

2223

Per session

Public healthcare institutions

–

Cost inputs for management and treatment strategy for localized prostate cancer

Observation

122

Per year

Public healthcare institutions

1 visit to the urologist and PSA testing per year

Watchful waiting

163

Per year

Public healthcare institutions

1.5 visits to the urologist and PSA testing per year

Radical prostatectomy

17,023

Per episode

MOH Casemix and Subvention System (2017)

Laparoscopic surgery

Radiotherapy (curative)

18,382

40 treatment sessions

Public healthcare institutions

External beam only, with image-guided radiotherapy

Androgen deprivation therapy

439

3-monthly

Drug Utilisation Data (2017)

In curative treatment, androgen deprivation therapy included only Luteinizing hormone-releasing hormone (LHRH) agonist. The 3-monthly cost of LHRHa was the weighted mean selling price calculated based on all LHRHa (leuprorelin acetate, goserelin, leuprorelin and triptorelin) in Drug Utilization Data (2017).

Cost inputs for management and treatment strategy for metastasis and castration-resistant prostate cancer

Metastatic care - first line therapy

2194

Per year

• Survey of local experts

• Drug Utilization Data (2017)

• MOH Casemix and Subvention System (2017)

–

Metastatic care – second line therapy

18,349

Per year

Treatment for castration-resistant prostate cancer

26,458

Per year

Hospice care

202

Per day

Assisi Hospice

–

  1. Abbreviations: MRI magnetic resonance imaging, PSA prostate-specific antigen, US ultrasound, USD US dollar
  2. Note:
  3. 1. After positive mpMRI, MRI targeted biopsy (using MRI-US fusion targeted biopsy) is administered with systematic biopsy. The total cost of MRI targeted biopsy when administered with systematic biopsy (inclusive of mpMRI) is $2223 per session.
  4. 2. The uncertainty of model inputs was explored by simultaneously and randomly sampling the parameters from assigned distributions – beta distribution for health utilities values and multivariate normal distributions using Cholesky decomposition matrix for parameters characterizing disease progression.