| Cost per diabetes case prevented | Cost per QALY gained | ||
---|---|---|---|---|
Health system perspective | Societal perspective | Health system perspective | Societal perspective | |
Base-case analysis | ||||
 Without discounting | 95.2 | 295.1 | 50.0 | 155.0 |
 With discounting (3% per annum) | 95.1 | 292.5 | 49.0 | 150.8 |
Sensitivity analyses | ||||
 Cost of group sessions only | ||||
  10% increase | 157.1 | 357.0 | 82.5 | 187.5 |
  20% increase | 219.0 | 414.1 | 115.0 | 217.5 |
  30% increase | 276.1 | 476.0 | 145.0 | 250.0 |
  10% decrease | 38.1 | 238.0 | 20.0 | 125.0 |
  20% decrease | Dominated* | 176.1 | Dominated* | 92.5 |
  30% decrease | Dominated* | 114.2 | Dominated* | 60.0 |
 Intervention effectiveness only | ||||
  10% increase | 87.0 | 269.7 | 45.5 | 140.9 |
  20% increase | 80.0 | 248.0 | 41.7 | 129.2 |
  30% increase | 74.0 | 229.4 | 38.5 | 119.2 |
  10% decrease | 105.2 | 326.1 | 55.6 | 172.2 |
  20% decrease | 117.6 | 364.6 | 62.5 | 193.8 |
  30% decrease | 133.4 | 413.5 | 71.4 | 221.4 |
 Both cost of group sessions and intervention effectiveness | ||||
  10% increase | 143.6 | 326.3 | 75.0 | 170.5 |
  20% increase | 184.0 | 348.0 | 95.8 | 181.3 |
  30% increase | 214.6 | 370.0 | 111.5 | 192.3 |
  10% decrease | 42.1 | 263.0 | 22.2 | 138.9 |
  20% decrease | Dominated* | 217.6 | Dominated* | 115.6 |
  30% decrease | Dominated* | 160.1 | Dominated* | 85.7 |
 Discounting | ||||
  5% per annum | 116.8 | 292.5 | 60.5 | 151.5 |
  10% per annum | 169.4 | 292.7 | 88.4 | 152.7 |
 MI analysis | ||||
  Lifestyle intervention vs. control group | 99.2 | 302.1 | 56.0 | 157.5 |