| Steps | Persistent BP = No | Persistent BP = Yes | Total | ||
| Comments | Expected | Comments | Expected | ||
| 1 | 18 | 17.9 | 0 | 0,1 | 18 |
| 2 | 12 | 12.5 | 1 | 0,5 | 13 |
| 3 | 10 | 9.9 | 1 | 1,1 | 11 |
| 4 | 6 | 6.2 | 2 | 1,8 | 8 |
| 5 | 6 | 5.2 | 2 | 2,8 | 8 |
| 6 | 4 | 3.8 | 3 | 3,2 | 7 |
| 7 | 2 | 2.8 | 7 | 6,3 | 9 |
| 8 | 1 | 0.8 | 6 | 6,2 | 7 |