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Table 2 Probabilistic sensitivity analysis inputs

From: The cost-effectiveness of exercise referral schemes

Parameters Deterministic Standard error Distribution Alpha Beta
Incremental probability to be active 0.048 0.0048 beta 95.152 1887.181
Incremental probability to experience CHD 0.013 0.0013 beta 98.687 7492.621
Incremental probability to experience stroke 0.004 0.0004 beta 99.596 24799.4
Incremental probability to experience diabetes 0.022 0.0022 beta 97.778 4346.677
Treatment discounted cost of CHD 17728.031 1772.803 gamma 100 177.280
Treatment discounted cost of stroke 1965.165 196.517 gamma 100 19.652
Treatment discounted cost of diabetes 50309.426 5030.943 gamma 100 503.094
Discounted QALY for CHD health state 9.942 0.994 gamma 100 0.099
Discounted QALY for stroke health state 5.148 0.515 gamma 100 0.051
Discounted QALY for type II diabetes health state 14.182 1.418 gamma 100 0.142
Cost of intervention 222 37.9 gamma 34.311 6.470
  1. Source: Briggs et al (25)