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Methodology for discounting in studies (phase 2)
| No. (%) of studies (n = 35) | |
| Discounting approach | |
| No discounting | 15 (43) |
| Identical discount rates for costs and benefits | 14 (40) |
| Different discount rates for costs and benefits | 2 (6) |
| Only discounting of costs | 2 (6) |
| Only discounting of benefits | 2 (6) |
| Discount rate for costs | |
| 0% | 17 (49) |
| 3% | 11 (31) |
| 5% | 5 (14) |
| 6% | 2 (6) |
| Discount rate for benefits | |
| 0% | 17 (49) |
| 1.5% | 1 (3) |
| 3% | 11 (31) |
| 5% | 5 (14) |
| 6% | 1 (3) |
