全部

1·The change of P300 wave amplitude and latency were corresponding to the pain degree in different stage.

P 300波幅和潜伏期的变化与不同时期疼痛程度相对应。

2·Results: The latency time between injury and end-stage ankle OA was 20.9 years (1-52 years).

结果：从骨折发生到末期踝关节OA的形成平均需要20.9年（范围是1-52年）。