The 3 Components of Impact at Each Follow-up Point
| Component | Baseline No. (%) | 3 Months No. (%) | 6 Months No. (%) | 9 Months No. (%) | 12 Months No. (%) |
|---|---|---|---|---|---|
| No impact | 22 (7.2) | 93 (33.8) | 105 (40.6) | 110 (43.3) | 142 (50.2) |
| Impacta | 283 (92.8) | 176 (66.2) | 152 (59.4) | 137 (56.9) | 141 (49.8) |
| Pain intensity | 277 (97.9) | 152 (86.4) | 135 (88.8) | 124 (90.5) | 120 (85.1) |
| Absence | 137 (48.4) | 55 (31.3) | 40 (26.3) | 36 (26.3) | 51 (36.2) |
| Medication | 81 (28.6) | 38 (21.6) | 29 (19.1) | 31 (22.6) | 34 (24.1) |
↵a Pain intensity = rating the pain as moderate to severe; absence = staying home from school or terminating or avoiding to play; medication = taking medication for the pain.