Table 1.
Patients' characteristics.
| Accept | Decline | p | |
|---|---|---|---|
| Age (years), median (range) | 15 (12–19) | 16 (12–19) | 0.0766 |
| Vaccine, n (%) | 0.1443 | ||
| Quadrivalent | 33 (31.4) | 9 (25.0) | |
| Bivalent | 69 (65.7) | 27 (65.0) | |
| Unknown | 3 (2.8) | 4 (10.0) | |
| Vaccine doses, n (%) | 0.9366 | ||
| 3 doses | 77 (73.3) | 31 (77.5) | |
| 2 doses | 17 (16.2) | 5 (12.5) | |
| 1 dose | 9 (8.6) | 3 (7.5) | |
| Unknown | 2 (1.9) | 1 (2.5) | |
| Onset | 0.5483 | ||
| After first vaccination, n (%) | 9 (8.6) | 2 (5.0) | |
| Onset interval (days), median (range) | 0 (0–21) | 10 (9–11) | |
| After second vaccination, n (%) | 13 (12.4) | 7 (17.5) | |
| Onset interval (days), median (range) | 1 (0–90) | 9 (0–90) | |
| After third vaccination, n (%) | 65 (61.9) | 22 (55.0) | |
| Onset interval (days), median (range) | 30 (0–1230) | 105 (1–690) | |
| Duration of symptom (months), median (range) | 12 (1–48) | 18 (2–37) | 0.2839 |
| Pretreatment HADS | |||
| Anxiety, median (range) | 5 (0–17) | 6 (0–15) | 0.2140 |
| Depression, median (range) | 4 (0–16) | 5 (0–16) | 0.2409 |
| Pretreatment PCS, median (range) | 27.5 (0–51) | 30 (0–52) | 0.8238 |
| Pretreatment NRS of pain, median (range) | 5 (0–10) | 4 (0–7) | 0.0207∗ |
HADS, Hospital Anxiety and Depression Scale. PCS, Pain Catastrophizing Scale. NRS, numerical rating scale. ∗Significant difference.