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Number of papers by data type and primary methodology
| Data type versus Methodology | Cost-effectiveness analysis | Focus group | Interview | Mathematical programming | Meta-analysis | Pretest-posttest study | Prospective studies | Real-life experiment | Retrospective studies | Review | Simulation | Statistical analysis | Survey | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hypothetical | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Real | 2 | 2 | 5 | 1 | 1 | 1 | 24 | 34 | 19 | 0 | 1 | 17 | 8 | 115 |
| No data | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 10 |
| Total | 3 | 2 | 5 | 2 | 1 | 1 | 24 | 34 | 19 | 10 | 1 | 17 | 8 | 127 |
