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Table 2 Parameters used in the tree model

From: Cost-effectiveness analysis for HbA1c test intervals to screen patients with type 2 diabetes based on risk stratification

  Items Type of distribution of PSA Point estimate Distribution parameters for PSA Ref
Cost (USD) Screening cost Gamma 100 α =27.3, λ =1/292  
Annual treatment fee among T2DM patients without complication Gamma 3500 α =84,146, λ =1/3 [12]
Annual treatment fee among T2DM patients with complication Gamma 8000 α =26,540, λ =1/22 [12]
Annual treatment fee among false positive patients with no medication Gamma 1400 α =1752, λ =1/60 [12]
Discount rate 0.02 [14]
Utility Utility for healthy population 1   [13]
Utility for T2DM patients without complication 0.785 [13]
Utility for T2DM patients with complication 0.638 [13]
Risk Mortality rate among healthy population Life Table  
Relative risk towards mortality rate among T2DM patients with complications LogNormal 5.61 Log (mean) = 1.65, SE = 0.08 [15]
Relative risk towards mortality rate among T2DM patients without complications LogNormal 2.61 Log (mean) =0.95, SE = 0.14 [15]
Annual complication rate Beta 0.014 α =2.27, β =160.3 [16]
Relative risk towards complication rate among T2DM patients with treatment LogNormal 0.79 Log (mean) = −0.23, SE = 0.09 [17]