Table 3.
Results of cognitive tests
| Test | Median | Mean | SD |
|---|---|---|---|
| Paper folding | 5 | 5.33 | 2.24 |
| Surface development | 0 | 8.59 | 11.14 |
| Visual analogy | 17 | 15.89 | 3.88 |
| Verbal analogy | 8 | 9.97 | 7.49 |
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