| Control group (6 h) | Observation group (6 h) | Control group (18 h) | Observation group (18 h) |
| 69 | 83 | 73 | 85 |
| 68 | 82 | 79 | 84 |
| 78 | 81 | 75 | 79 |
| 77 | 81 | 74 | 84 |
| 76 | 83 | 73 | 83 |
| 79 | 79 | 79 | 79 |
| 74 | 76 | 78 | 76 |
| 73 | 75 | 80 | 81 |
| 77 | 83 | 74 | 82 |
| 71 | 85 | 71 | 86 |
| 70 | 78 | 78 | 84 |
| 81 | 79 | 84 | 80 |
| 80 | 82 | 75 | 77 |
| 82 | 81 | 79 | 78 |
| 73 | 84 | 83 | 85 |
| 76 | 76 | 70 | 73 |
| 75 | 80 | 78 | 84 |
| 76 | 77 | 77 | 84 |
| 79 | 81 | 83 | 83 |
| 72 | 81 | 71 | 80 |
| 73 | 83 | 74 | 82 |
| 70 | 82 | 79 | 77 |
| 75 | 85 | 77 | 79 |
| 74 | 83 | 71 | 76 |
| 71 | 76 | 73 | 76 |
| 77 | 80 | 84 | 77 |
| 73 | 81 | 69 | 82 |
| 80 | 83 | 74 | 85 |
| 76 | 82 | 70 | 87 |
| 73 | 84 | 76 | 83 |
| 73 | 83 | 74 | 81 |
| 70 | 82 | 75 | 80 |
| 68 | 81 | 77 | 85 |
| 69 | 73 | 70 | 76 |
| 67 | 76 | 82 | 78 |