| Complexity level | Brazil | Portugal | ||||||
| Before | After | Before | After | |||||
| No. | % | No. | % | No. | % | No. | % | |
| Low |
|
|
|
|
|
|
|
|
| 1/4 | 1 | 5.6 | - | - | 4 | 22.2 | - | - |
| 2/4 | 5 | 27.8 | 1 | 5.6 | 6 | 33.3 | - | - |
| 3/4 | 7 | 38.8 | 6 | 33.3 | 6 | 33.3 | 11 | 61.1 |
| 4/4 | 5 | 27.8 | 11 | 61.1 | 2 | 11.2 | 7 | 38.9 |
| Mean | 0.72 | 0.89 | 0.58 | 0.85 | ||||
| Median | 0.75 | 1.00 | 0.50 | 0.75 | ||||
| P | 0.018(1) | 0.002(1) | ||||||
| Medium/High |
|
|
|
|
|
|
|
|
| 0/2 | - | - | - | - | 3 | 16.7 | 2 | 11.2 |
| 1/2 | 4 | 22.2 | 5 | 27.8 | 3 | 16.7 | 4 | 22.2 |
| 2/2 | 14 | 77.8 | 13 | 72.2 | 12 | 66.6 | 12 | 66.6 |
| Mean | 0.89 | 0.86 | 0.75 | 0.78 | ||||
| Median | 1.00 | 1.00 | 1.00 | 1.00 | ||||
| P | 0.655(1) | 0.792(1) | ||||||
| P | 0.030(2) | 0.623(2) | 0.054(2) | 0.446(2) | ||||