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Table 4 Results of cost-utility analysis

From: Cost-effectiveness of a national exercise referral programme for primary care patients in Wales: results of a randomised controlled trial

  Incremental cost (£) Incremental QALY ICER point estimate (£) (Bootstrapped one sided 95% CI for ICER (£)) Probability intervention is cost-effective at £20,000 per QALY (%) Probability intervention is cost-effective at £30,000 per QALY (%)
Base case      
Cost of intervention £385 327 0.027 12,111 (58,881) 77 89
Sensitivity analysis      
EQ-5D at 6 months as estimate of baseline 327 0.054 6,056 (37,159) 93 96
Control group mean EQ-5D at 6 months as estimate of baseline 327 0.046 7,109 (24,853) 95 98
Participant payment of £1 per session 295 0.027 10,926 (69,085) 80 91
Participant payment of £2 per session 263 0.027 9,741 (64,638) 83 92
Subgroup Analysis      
Referral reason 239 0.0183 13,060 (117,893) 65 76
  CHD 596 0.058 10,276 (50,925) 80 89
  Mental health and CHD plus mental health      
Gender      
  Male 322 0.0084 38,333 (254,973) 39 47
  Female 326 0.0362 9,006 (39,000) 85 95
Age      
  <44 68 0.0656 1,037 (16,418) 98 99
  44-60 577 0.0179 32,235 (314,108) 37 51
  >60 244 0.0187 13,048 (153,565) 67 76
Adherence to NERS      
  <16 weeks 662 -0.0084 Dominated 2.9 5.6
  16 weeks -18 0.049 Dominant 100 100
  1. N/A, not applicable.