| Low | Average | High | |||
Precurrent | n | % | n | % | n | % |
1 | 83 | 56.5 | 46 | 31.3 | 18 | 12.2 |
2 | 69 | 46.9 | 49 | 33.3 | 28 | 19.0 |
3 | 10 | 6.8 | 54 | 36.7 | 83 | 56.5 |