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Table 3 Influence of changes in key input variables on cost-effectiveness ratio in US $ per patient successful treated

From: Cost and cost-effectiveness of community based and health facility based directly observed treatment of tuberculosis in Dar es Salaam, Tanzania

Input variable Input value Average CER community DOTa Average CER health facility DOTa
  Min. Max. Min. Max. Min. Max.
Patient time lossb 0 US$0.29 117 130 168 203
Supporter time lossb 0 US $ 0.48 123 129 196 196
Discount rate 0 3% 125 125 186 188
Success rate(community DOT)c 69% 78% 136 120   
Success rate (health facility DOT)c 62% 74%    281 235
Success rate(community DOT)d 81% 89% 116 106   
Success rate (health facility DOT)d 79% 87%    184 167
  1. aThe sensitivity analyses are based on base-case calculations
  2. btime loss: minimum=assuming time is valued as zero; maximum= average income per hour among those with income only
  3. cSuccess rate taking in consideration cure rate in 'no treatment' scenario
  4. dSuccess rate without cure rate in 'no treatment' scenario