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Table 2 Cost of liquid nitrogen

From: Cost-effectiveness of cryotherapy versus salicylic acid for the treatment of plantar warts: economic evaluation alongside a randomised controlled trial (EVerT trial)

Item

Source

Pricea

Average

Price in £b

Price inc. VATc

Liquid nitrogen (calculated for 25 litre dewar)

Invoice to one of the trial centres

Invoice 1

€ 2.79/l

   
  

Invoice 2

€ 2.79/l

   
  

Invoice 3

€ 2.48/l

   
  

Invoice 4

€ 2.48/l

€ 65.88

  

Delivery charges

Invoice to one of the trial centres

Invoice 1

€ 38/delivery

   
  

Invoice 2

€ 38/delivery

   
  

Invoice 3

€ 16.86/delivery

   
  

Invoice 4

€ 16.86/delivery

€ 27.43

  

Total for liquid nitrogen and delivery

   

€ 93.31

£77.00

£90.47

  1. a All the prices reported in Euro refer to 2009/2010 prices
  2. b Exchange rate: 1 € = 0.825232749 GBP (source: Google.co.uk, date 10/06/2010)
  3. c VAT was applied at 17.5%