Objective: Investigate the relation between average medical charge and severity rate.

目的：研究人均医疗费用与危重率的关系。

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Effective fall prevention programmes aim to reduce the number of people who fall, the rate of falls and the severity of injury should a fall occur.

有效的跌伤预防规划旨在减少跌伤者数量，降低跌伤率，以及减轻伤害的严重程度（如果发生跌伤的话）。

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The committee would also do away with a few other less well-known problems, such as histrionic personality disorder, and add in a scale to rate the severity of such traits.

委员会也废去了其他一些不知名的问题，如表演型人格障碍，在一定程度上加大了这些特点的严重性。

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However, the statistics do offer a broad comparison between the number of cases and deaths reported in a given year, which can help in illustrating the usual severity and survival rate of the cancer in question.

BBC: About our cancer statistics

The researchers made their subjects' jaws throb by pumping a solution into a nearby muscle, then asked them to rate the severity of their discomfort.

ECONOMIST: Pain perception

The severity of a recession and the unemployment rate are also mitigating factors.

FORBES: The Stock Market And Recessions