Compared with patients in the highest income group, those in the lowest income group had a 71 percent higher risk of dying.

与高收入人群相比，低收入人群患中风后死亡的风险要高71%。

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The lowest income group is the main body of poverty population, and the tendency that the lower income group is joining the poverty population is more and more evident.

除最低收入组构成贫困人口的主体外，低收入组居民有“渗透”进入贫困人口的趋势。

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Urban poverty-vulnerable group is referred to the families that income per capita is under lowest social guarantee level.

城市困难群体主要是指家庭人均纯收入达不到低保水平的人口。

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It is not clear, however, that the same people appear in the bottom quintile in 1999 as did in 1977: most studies show a rapid turnover of people in the lowest income group, reflecting temporary problems or self-employed people exploiting tax loopholes.

ECONOMIST: Cutting the cookie