Mean score, SD and quartiles for each item of the PDI
| Q1 | Q2 | Q3 | Q4 | Q5 | Q6 | Q7 | Q8 | Q9 | Q10 | Q11 | Q12 | Q13 | Total | |
| Mean | 1.05 | 1.52 | 1.53 | 1.51 | 0.29 | 0.79 | 2.44 | 1.04 | 0.89 | 1.23 | 0.67 | 0.1 | 0.41 | 13.48 |
| SD | 1.15 | 1.29 | 1.3 | 1.35 | 0.77 | 1.17 | 1.26 | 1.24 | 1.16 | 1.23 | 1.07 | 0.43 | 0.85 | 8.02 |
| 25% | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 |
| 50% | 1 | 1 | 1 | 1 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 12 |
| 75% | 2 | 2 | 2 | 2 | 0 | 1 | 4 | 2 | 2 | 2 | 1 | 0 | 1 | 18 |
PDI, Peritraumatic Distress Inventory.