| Search combinations | Search results | Title/abstract | Full text | Included |
| 1 AND 2 AND 4 AND 6 | 13 | 8 | 6 | 5 |
| 1 AND 2 AND 4 AND 7 | 4 | 4 | 3 | 1 |
| 1 AND 2 OR 3 AND 4 OR 5 AND 8 | 4 | 4 | 3 | 0 |
| 1 AND 2 OR 3 AND 4 OR 5 AND 9 | 1 | 1 | 1 | 0 |
| 1 AND 2 OR 3 AND 4 OR 5 AND 10 | 1 | 1 | 1 | 0 |
| 1 AND 2 OR 3 AND 4 OR 5 AND 11 | 2 | 2 | 2 | 2 |
| 1 AND 2 OR 3 AND 4 OR 5 AND 12 | 8 | 5 | 3 | 0 |
| 1 AND 2 OR 3 AND 4 OR 5 AND 15 | 0 | 0 | 0 | 0 |
| 13 AND 14 AND 4 AND 5 | 14 | 11 | 5 | 3 |
| (4 OR 5) AND 1 AND 3 | 2 | 2 | 2 | 0 |
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