Incremental cost-effectiveness ratios (ICERs)
| ICERs: lifestyle intervention | ||||||||
| Reference | Duration of analysis | ICER in 2015 GBP Health system perspective | Cost elements included in ICER from societal perspective | ICER in 2015 GBP Societal perspective | ||||
| Range (in base case) | Mean ICER | Unit | Range (base case) | Mean ICER | Unit | |||
| 49 | Lifetime | 1057 | 1057 | £/QALY | ||||
| 48 | 30 years | 134 420 | 134 420 | £/QALY | Not specified | 58 844 | 58 844 | £/QALY |
| 40 | 10 years | 7628 | 7628 | £/QALY | Participant time, food, food preparation and exercise equipment and classes | 10 917 | 10 917 | £/QALY |
| 50 | Lifetime | 1210–1480 | 1345 | £/QALY | ||||
| 57 | Lifetime | Cost saving | Cost saving | £/QALY | ||||
| 58 | 3 years | 12 544 | 12 544 | £/QALY | Participant time, transport costs, fitness equipment, food costs and food preparation costs, days of work lost due to T2DM | 26 764 | 26 764 | £/QALY |
| 52 | Lifetime | Participant time, travel and work absence | £8709 | £8709 | £/QALY | |||
| 51 | Lifetime | 7526–8750 | 8138 | £/QALY | Not specified | 15 037–17 275 | 16 156 | £/QALY |
| 62 | Lifetime | Transport, lost income, cost of home care | Cost saving (−1190 to −2933) | Cost saving (−2062) | £/QALY | |||
| 54 | 50 years | 7490 | 7490 | £/QALY | ||||
| 56 | Lifetime | Participant transport | Cost saving (−15 259 to −31 721) | Cost saving (−23 490) | £/QALY | |||
| 41 | 3 years | 3215 | 3215 | £/QALY | ||||
| 43 | Simulation until 85 years of age | 3140–17 802 | 10 471 | £/QALY | Participant transport and non-healthcare organisations costs | Cost saving to £17 281 | 8641 | £/QALY |
| 45 | 70 years | 3822–5390 | 4606 | £/QALY | ||||
| 42 | 1 year | 76 566 | 76 566 | £/QALY | ||||
| 44 | 4 years | 3275 | 3275 | £/QALY | ||||
| 28 | Lifetime | 573 | 573 | £/QALY | ||||
| 63 | 10 years | 10 416 | 10 416 | £/QALY | ||||
| 53 | 25 years | Cost saving (−6149) | Cost saving (−6149) | £/QALY | ||||
| 61 | 10 years | 15 191 | 15 191 | £/QALY | Food, food preparation equipment, exercise classes, gym memberships, personal trainers and exercise equipment, transport, participant time | 2459 | 2459 | £/QALY |
| 47 | Lifetime | Cost saving to 8614 | 1783 | £/LYG | ||||
| 46 | 10 years | 577 | 577 | £/LYG | ||||
| 55 | Age 100 or death | 15 460 | 15 460 | £/DALY | ||||
| 59 | 10 years | Not specified | 37 285 | 37 285 | £/DALY | |||
| 60 | 3 years | 4003 | 4003 | £/case of T2DM avoided | Participant and healthcare professionals’ time | 23 183 | 23 183 | Cost per case of T2DM avoided |