| Treatment | Age | Total | |||
| >31 | 32 - 46 | 47 - 61 | 62+ | ||
| yes | 5.46 | 33.88 | 43.72 | 10.38 | 93.44 |
| no | 0.55 | 2.19 | 3.28 | 0 | 6.01 |
| unknown | 0 | 0 | 0 | 0.55 | 0.55 |
| Total | 6.01 | 36.07 | 46.99 | 1.09 | 100 |