It did not quite reach statistical significance.
这并未完全达到统计学显著性。
The difference of economic status structure has statistical significance.
四县之间的差异有统计学意义。
The difference of PC and NC in different economic level group had statistical significance(P<0.001).
不同经济水平组NC、PC的差异都有统计学意义（P<0.001）。
The difference of PC and NC in different economic level group had statistical significance(P<0.001).
不同经济水平组NC、PC的差异都有统计学意义（P<0.001）。
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