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Table 4 Economic evaluation of insomnia treatment versus no treatment

From: Insomnia - treatment pathways, costs and quality of life

  Per person treated NZ total million
At risk population (1) 2.317
Prevalence of insomnia (2) 13%
Proportion seeking treatment (2) 15.0%
Number seeking treatment (M) (3) 0.045
Costs incurred ($) 145 6.6
Costs avoided ($) 628 28.4
Net benefit ($) 482 21.8
QALYs gained (#) 0.157 0.007
Net benefit per QALY gained ($) 3,072 21.8
  1. Notes:
  2. (1) December 2008 [31]
  3. (2) [8]
  4. Ranges (1) and (2) The high values are the base case plus 25% and the low values the base case minus 25%.
  5. (3) = (1) × (2) × (3)
  6. Calculations are based on unrounded data.