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Table 1 Cost-effectiveness results

From: Invasive urodynamic testing prior to surgical treatment for stress urinary incontinence in women: cost-effectiveness and value of information analyses in the context of a mixed methods feasibility study

Investigation strategy

Total avg. cost per woman (£)

Incremental cost (£)

Total avg. QALYs per woman

Incremental QALYs

ICER (£)

Probability that IUT is cost-effective for different threshold values for society’s willingness to pay for a QALY

SF-12 results

£0 K

£10 K

£20 K

£30 K

£50 K

‘no IUT’

1489

 

0.377

  

0.04

0.03

0.05

0.09

0.12

‘IUT’

1351

− 138

0.385

0.008

Dominant

0.96

0.97

0.95

0.91

0.88

‘no IUT’ adjusteda

     

0.04

0.03

0.04

0.07

0.1

‘IUT’ adjusteda

 

− 138

 

0.004

Dominant

0.96

0.97

0.96

0.93

0.9

EQ-5D-3L results

 ‘no IUT’

1489

 

0.413

0.018

7667

0.97

0.80

0.60

0.51

0.43

 ‘IUT’

1351

− 138

0.395

  

0.03

0.20

0.40

0.49

0.57

 ‘no IUT’ adjusteda

   

0.004

34,500

0.96

0.84

0.64

0.54

0.46

 ‘IUT’ adjusteda

 

− 138

   

0.04

0.16

0.36

0.46

0.54

  1. aResults reported from SUR estimation; adjusting for randomisation in the cost equation and for randomisation, baseline utility (estimated from both the SF12 and EQ-5D-3L respectively), and age in the HRQoL equation