The qualified rate of municipal, county and district hospitals was respectively 96.28%, 86.43%, the difference was obvious (P< 0.01).

市级、县区医院消毒监测样品合格率分别为96.28%、86.43%，两者有显著性差异（P<0.01）。

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The result showed that the densities were different between the units with qualified rodent prevention equipment and those with non-qualified one ( P <0.01).

结果：防鼠设施完全合格的单位与内部重点房间，密度远低于防鼠设施不合格者（P <0 .0 1）。

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The result showed that the densities were different between the units with qualified rodent prevention equipment and those with non-qualified one ( P <0.01).

结果：防鼠设施完全合格的单位与内部重点房间，密度远低于防鼠设施不合格者（P <0 .0 1）。

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