Department of Orthopaedic Surgery, Hospital de Sant'Ana, Rua de Benguela, 501, 2775-028, Parede, Portugal.
Department of Bioengineering and iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal.
Knee Surg Sports Traumatol Arthrosc. 2023 Dec;31(12):6059-6068. doi: 10.1007/s00167-023-07607-5. Epub 2023 Oct 18.
Studies have shown decreased match participation and shortened careers in athletes suffering Achilles tendon ruptures (ATRs), but assessment using a true performance metric is lacking. Plus/minus (PM) metrics provide a practical and objective approach to player performance assessment and are commonly used in other sports. This study aimed to quantify and compare individual player performance variations in elite football league players who sustained ATRs and returned to play within 1 year compared to those without ATRs, using a PM metric.
Player and team data were sourced from Transfermarkt.com. Male players sustaining ATRs between 2007 and 2018 were identified through injury reports. A control group (CTRL) was matched by position, age, height, and league, with a 6:1 ratio of controls to ATR subjects. The day of injury was considered "time zero". Year -1 corresponds to the 360 days preceding injury, and Year 1 to the interval between 360 and 720 days after. Performance in the player's main team was evaluated using a previously validated weighted PM metric. Only data from Year -1 and Year 1 were used for ATR versus CTRL group comparisons. Statistical significance was set at p < 0.05.
The ATR group included 125 athletes. Data from more than 76,000 matches were analyzed. No statistically significant differences in net weighted PM metric between Year -1 and Year 1 were found.
No differences were found between athletes suffering from ATRs and controls regarding the weighted PM metric.
III.
研究表明，患有跟腱断裂（ATRs）的运动员的比赛参与度下降，职业生涯缩短，但缺乏真正的绩效指标评估。加减（PM）指标为球员表现评估提供了一种实用且客观的方法，在其他运动中也被广泛应用。本研究旨在使用 PM 指标，量化和比较在精英足球联赛中遭受 ATR 并在 1 年内重返赛场的球员与未遭受 ATR 的球员的个体球员表现变化，使用 PM 指标。
球员和球队数据均来自 Transfermarkt.com。通过伤病报告确定了 2007 年至 2018 年间患有 ATR 的男性球员。对照组（CTRL）通过位置、年龄、身高和联赛进行匹配，对照组与 ATR 组的比例为 6:1。受伤日被视为“零日”。Year-1 对应于受伤前的 360 天，Year 1 对应于受伤后 360 至 720 天之间的间隔。使用之前验证过的加权 PM 指标评估球员主要球队的表现。仅使用 Year-1 和 Year 1 的数据进行 ATR 与 CTRL 组比较。统计显著性设置为 p < 0.05。
ATR 组包括 125 名运动员。分析了超过 76000 场比赛的数据。在 Year-1 和 Year 1 之间，净加权 PM 指标没有发现统计学上的显著差异。
在遭受 ATR 的运动员和对照组之间，加权 PM 指标没有差异。
III。
