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Table 6 Estimated per-participant cost by intervention modality in sensitivity analyses

From: Implementation and first-year operating costs of an academic medical center-based syringe services program

Uncertainty examined Fixed site Mobile site
Base case $729.72 $2415.70
One-way sensitivity analysis   
 Changing syringe distribution policy to needs-based $891.94 $2658.49
 Routine opt-out testing from opening day $775.97 $2481.30
Two-Way sensitivity analysis   
 Changing syringe distribution policy to needs-based and implementing routine opt-out  HIV/HCV testing when SSP was implemented $938.05 $2704.68
Societal cost sensitivity analysis   
Base case $144.84
One-way sensitivity analysis*   
 Assigning minimum wage to participants who reported no income $149.93
  1. 53 participant’s hourly wages were imputed with the minimum wage ($8.10)