Communication quality* between the medical team and the chief executive officer of the club
| Outcomes* | Low (1–2/5), n=14 | Moderate (3/5), n=17 | High (4–5/5), n=46 | P values† |
| Injury burden‡ | 146.8 | 139.9 | 106.5 | 0.135 |
| Incidence of severe injuries§ | 1.2 | 1.0 | 0.9 | 0.253 |
| Training attendance (%) | 82.9 | 82.2 | 85.3 | 0.102 |
| Match availability (%) | 85.8 | 86.9 | 88.3 | 0.235 |
Values represent the medians in each group.
*Communication quality was classified as low, moderate or high, based on overall questionnaire scores.
†Significance was based on Kruskal-Wallis tests.
‡Injury burden=number of days of absence per 1000 hours of exposure (Σ days of absence/Σ hours of exposure ×1000).
§Incidence of severe injuries=number of severe injuries (resulting in >28 days of absence from trainings and matches) per 1000 hours of exposure (Σsevere injuries/Σexposure hours×1000).