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| Percentage reductions IHD | Power transformation of exposure | *based on different RRs | ||||
| 0.25 | 0.375 | log | 0.5 | linear | Cubic splines* | |
| Vision 1 | 5.1% | 6.5% | 7.7% | 7.6% | 12.3% | 4.0% |
| Vision 2 | 6.8% | 8.9% | 10.3% | 10.8% | 19.7% | 6.3% |
| Vision 3 | 8.9% | 12.2% | 13.4% | 15.6% | 32.7% | 9.5% |
