Table 3

Match and training injury rates for the most common ankle injury types in male professional football with corresponding rate ratios

	Match IR*	95% CI	Training IR*	95% CI	RR†	95% CI
All ankle injuries	3.865	3.580 to 4.173	0.481	0.437 to 0.529	8.04	7.12 to 9.08
Fractures	0.065	0.036 to 0.112	0.008	0.004 to 0.118	8.26	3.20 to 21.31
Sprain/ligament injury	2.581	2.350 to 2.835	0.330	0.294 to 0.370	7.82	6.75 to 9.07
Capsular	0.160	0.110 to 0.233	0.045	0.033 to 0.061	3.46	2.13 to 5.63
Lateral	2.024	1.821 to 2.251	0.236	0.207 to 0.271	8.56	7.21 to 10.17
Medial	0.249	0.184 to 0.336	0.034	0.024 to 0.048	7.36	4.61 to 11.58
High	0.148	0.100 to 0.219	0.015	0.009 to 0.025	10.11	5.17 to 19.73
Contusion	0.817	0.691 to 0.965	0.050	0.037 to 0.067	16.49	11.74 to 23.15
Synovitis	0.142	0.095 to 0.212	0.046	0.034 to 0.063	3.08	1.86 to 5.09
Impingement	0.095	0.058 to 0.155	0.018	0.011 to 0.029	5.26	2.63 to 10.51
Anterior	0.024	0.009 to 0.063	0.003	0.001 to 0.011	7.01	1.57 to 31.32
Posterior	0.071	0.040 to 0.125	0.015	0.009 to 0.025	4.85	2.21 to 10.64

*Injury rate (IR) is expressed as the number of injuries per 1000 h.
†Rate ratio is expressed as the match injury rate divided by the training injury rate.