Results from the Poisson regression analyses showing the seasonal change in hamstring injury incidence between the 2014/15 and 2021/22 seasons
| % Annual change | 95% CI | P value | |
| Training | |||
| Hamstring injury incidence | 6.7% | (1.7 to 12.5) | 0.009 |
| Hamstring injury burden | 9.0% | (1.2 to 18.3) | 0.024 |
| Match play | |||
| Hamstring injury incidence | 3.9% | (0.1 to 7.9) | 0.045 |
| Hamstring injury burden | 6.2% | (−0.5 to 15.0) | 0.116 |
Results are expressed as the annual % change with 95% CI. Positive values represent an increasing trend and negative values a decreasing trend.