OBJECTIVE: To evaluate a potential reduction in injury related healthcare costs when using the '11+ kids' injury prevention programme compared with a usual warmup in children's football. METHODS: This cost effectiveness analysis was based on data collected in a cluster randomised controlled trial over one season from football teams (under-9 to under-13 age groups) in Switzerland. The intervention group (INT) replaced their usual warmup with '11+ kids', while the control group (CON) warmed up as usual. Injuries, healthcare resource use and football exposure (in hours) were collected prospectively. We calculated the mean injury related costs in Swiss Francs (CHF) per 1,000 hours of football. We calculated the cost effectiveness (the direct net healthcare costs divided by the net health effects of the '11+ Kids' intervention) based on the actual data in our study (trial based) and for a countrywide implementation scenario (model based). RESULTS: Costs per 1,000 hours of exposure were CHF 228.34 (95% CI 137.45 to 335.77) in the INT group and CHF 469.00 (95% CI 273.30 to 691.11) in the CON group. The cost difference per 1,000 hours of exposure was CHF -240.66 (95%CI -406.89 to -74.32). A countrywide implementation would reduce healthcare costs in Switzerland by CHF 1.48 million per year. 1,002 players with a mean age of 10.9 (SD 1.2) years participated. During 76 373 hours of football, 99 injuries occurred. CONCLUSION: The '11+ kids' programme reduced the healthcare costs by 51% and was dominant (ie, the INT group had lower costs and a lower injury risk) compared with a usual warmup. This provides a compelling case for widespread implementation.
Reproduced with permission from the BMJ Publishing Group.

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