Characteristics of articles included in the review
| Background variable | No of articles | |
| Article type | Original | 13 |
| Review | 3 | |
| Country | UK | 5 |
| UK+ another country | 2 | |
| The Netherlands | 1 | |
| Austria | 1 | |
| Canada | 1 | |
| Singapore | 1 | |
| Multiple countries | 4 | |
| Study focus | HTA effects | 7 |
| Programme budgeting and marginal analysis | 2 | |
| Disinvestment | 3 | |
| Opportunity cost | 3 | |
| Study methods (in original articles) | Case study/mixed methods | 2 |
| Case study/qualitative | 4 | |
| Statistical analysis | 5 | |
| Modelling | 1 |
HTA, health technology assessment.