Table 2.
Study designs that were published
| Publications | ||
|---|---|---|
| Type of study | No. of | % of |
| Randomised control trial | 8 | 12.7 |
| Prospective observational study | 13 | 20.6 |
| Prospective registry data | 8 | 12.7 |
| Retrospective hospital statistics' analysis | 1 | 1.6 |
| Basic science research | 9 | 14.3 |
| Comparative imaging study | 1 | 1.6 |
| Audit | 5 | 7.9 |
| Case-control | 2 | 3.2 |
| Comparative PVD assessment study | 1 | 1.6 |
| Retrospective observational study | 2 | 3.2 |
| Retrospective case note review | 4 | 6.4 |
| Retrospective data analysis | 2 | 3.2 |
| Epidemiology | 2 | 3.2 |
| Meta-analysis | 1 | 1.6 |
| Postal survey | 1 | 1.6 |
| Comparative PVD treatment study | 1 | 1.6 |
| Literature review | 1 | 1.6 |
| Retrospective cost analysis | 1 | 1.6 |