Table 2.
Distribution of initial population and model outputs per 1,000 participants entering the model
| Measure | Bariatric surgery | No bariatric surgery |
Incremental value |
|
|---|---|---|---|---|
| Mean | 95% CI | |||
| Initial population entering the model | ||||
| Number | 200,000 | 200,000 | – | |
| Age (y), mean (range) | 46 (20–74) | 46 (20–74) | – | |
| Men | 100,000 | 100,000 | – | |
| Women | 100,000 | 100,000 | – | |
| No morbidity | 153,846 (77) | 153,846 (77) | – | |
| Diabetes mellitus | 38,462 (19) | 38,462 (19) | – | |
| CHD | 7,692 (4) | 7,692 (4) | – | |
| Model outputs (rate per 1,000 persons entering the model) | ||||
| Total person-years lived | 41,869.28 | 35,772.21 | 6,097 | 6,022 to 6,171 |
| No morbidity (person-years) | 22,296.44 | 11,998.61 | 10,297 | 10,152 to 10,452 |
| Diabetes mellitus (person-years) | 9,434.01 | 17,754.62 | −8,320 | −8,502 to −8,123 |
| CHD (person-years) | 5,321.58 | 3,771.50 | 1,550 | 1,473 to 1,626 |
| Stroke (person-years) | 1,309.54 | 633.92 | 676 | 647 to 705 |
| Cancer (person-years) | 3,507.70 | 1,613.56 | 1,894 | 1,830 to 1,957 |
| Depression (person-years) | 4,393.11 | 4,385.58 | 8 | −8 to 23 |
Note. Figures are frequencies (column percent) except where indicated.
CHD, coronary heart disease; CI, confidence interval.