no sig

The UU positive rate of 22 placenta from cases by cesarean section was 22. 73%, The 2 positive rates showed no difference of sig nificance ( P> 0.05).

自然分娩者中，UU阳性者28例，阳性率为29.79%；剖宫产者中，UU阳性者5例，阳性率为22.73%，两者差异无显著性（P＞0.05）。

The two groups of patients had no sig nificant difference on MBI change scores ( P > 0.05 ).

两组患者MBI改变值无差异 ( P>0.05 ).

The two groups of patients had no sig nificant difference on MBI change scores ( P > 0.05 ).

两组患者MBI改变值无差异 ( P>0.05 ).

Homeland Security Director Michael Chertoff says there are no sig of plotting within the United States.

美国国土安全部部长切尔托夫说，目前还没有迹象显示美国国内有阴谋策划。