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| Item code | Mean | Median | Interquartile range | Standard deviation |
|---|---|---|---|---|
| HADS 1 | 0.91 | 1 | 0 - 1 | 0.842 |
| HADS 2 | 0.87 | 1 | 0 - 1 | 0.909 |
| HADS 3 | 0.59 | 0 | 0 - 1 | 0.849 |
| HADS 4 | 0.37 | 0 | 0 - 1 | 0.715 |
| HADS 5 | 0.84 | 1 | 0 - 1 | 0.947 |
| HADS 6 | 0.52 | 0 | 0 - 1 | 0.722 |
| HADS 7 | 0.96 | 1 | 0 - 1 | 0.797 |
| HADS 8 | 1.69 | 2 | 1 - 3 | 1.056 |
| HADS 9 | 0.50 | 0 | 0 - 1 | 0.706 |
| HADS 10 | 0.60 | 0 | 0 - 1 | 0.865 |
| HADS 11 | 0.97 | 1 | 0 - 2 | 0.939 |
| HADS 12 | 0.58 | 0 | 0 - 1 | 0.823 |
| HADS 13 | 0.51 | 0 | 0 - 1 | 0.769 |
| HADS 14 | 0.37 | 0 | 0 - 1 | 0.722 |
