Team training (n=5) | Individual training (n=11) | P value | |
Training exposure hours, median (IQR) | 4710 (4535 to 4860) | 4785 (3513 to 4863) | 0.743 |
Match exposure hours, mean (SD) | 1030 (162) | 1024 (110) | 0.925 |
Total exposure hours, median (IQR) | 5722 (5648–5742) | 5742 (4515–5972) | 0.827 |
Training hamstring injuries, mean (SD) | 3 (2) | 4 (2) | 0.336 |
Match hamstring injuries, mean (SD) | 2 (1) | 7 (3) | 0.005 |
Total hamstring injuries, mean (SD) | 5 (2) | 11 (4) | 0.008 |
Hamstring injury burden, mean (SD) | 12 (4) | 35 (14) | 0.003 |
Lay-off days following training hamstring injuries, mean (SD) | 29 (20) | 82 (44) | 0.024 |
Lay-off days following match hamstring injuries, mean (SD) | 38 (14) | 103 (47) | 0.011 |
Lay-off days absence following all hamstring injuries, mean (SD) | 67 (26) | 184 (69) | 0.003 |
Data are presented as team averages with corresponding SD for normally distributed variables and as medians with IQR for non-normally distributed variables.
Hamstring injury burden is expressed as the number of lay-off days per 1 000 player hours.