| groups | I | II | III | IV |
|---|---|---|---|---|
| Minus | 10.39 +/- 3.9 | 13.1 +/- 5.1 | 17.9 +/- 3.7 | 23.6 +/- 4.2 |
| Normal | 12.2 +/- 4.9 | 17.5 +/- 7.7 | 23.8 +/- 5.9 | 29.9 +/- 5.0 |
| Triclops | 13.7 +/- 3.7 | 18.6 +/- 4.6 | 23.2 +/- 5.4 | 32.7 +/- 6.3 |
| Cyclops | 11.1 +/- 7.6 | 19.9 +/- 6.0 | 31.3 +/- 5.4 | 39.3 +/- 6.7 |