Observed seasonal numbers and injury incidence and prevalence rates of upper extremity injuries, lower extremity injuries and extremity injuries combined diagnosed during 2.5 years
| Autumn (September, October and November) | Winter (December, January and February) | Spring (March, April and May) | Summer* (June, July and August) | Total | |
|---|---|---|---|---|---|
| Upper extremity injuries | |||||
| Number | 57 | 31 | 63 | 29 | 180 |
| Incidence rate in percentage (±SD) | 0.2 (±4.4) | 0.1 (±3.2) | 0.2 (±4.1) | 0.2 (±4.2) | 0.2 (±4.0) |
| Prevalence rate in percentage (±SD) | 0.6 (±7.6) | 0.3 (±5.9) | 0.6 (±7.7) | 0.6 (±7.6) | 0.5 (±7.2) |
| Lower extremity injuries | |||||
| Number | 322 | 188 | 386 | 153 | 1049 |
| Incidence rate in percentage (±SD) | 1.1 (±10.6) | 0.7 (±8.1) | 1.0 (±10.1) | 1.0 (±9.8) | 1.0 (±9.7) |
| Prevalence rate in percentage (±SD) | 4.6 (±20.9) | 3.3 (±17.9) | 4.5 (±20.6) | 4.1 (±19.9) | 4.1 (±19.9) |
| Extremity injuries combined | |||||
| Number | 379 | 219 | 449 | 182 | 1229 |
| Incidence rate in percentage (±SD) | 1.3 (±11.5) | 0.8 (±10.5) | 1.2 (±10.9) | 1.2 (±10.7) | 1.1 (±10.5) |
| Prevalence rate in percentage (±SD) | 5.1 (±22.1) | 3.6 (±18.8) | 5.0 (±21.8) | 4.7 (±21.1) | 4.6 (±21.0) |
*The summer season is not complete due to 6 weeks of summer holidays (July and first 2 weeks of August).