英语语法分析

The positive reaction rates to allergens among eczema, navel dermatitis and pompholyx had no statistical difference.

湿疹，肚脐皮炎和汗疱疹对过敏原的阳性反应率无统计学差异。

The positive reaction rates to allergens among eczema, navel dermatitis and pompholyx had no statistical difference, but was significantly higher than that in facial recurrent dermatitis P<0.01.

湿疹、脐周皮炎及汗疱疹之间抗原阳性反应率无统计学差异，但明显高于颜面再发皮炎的抗原阳性反应率（P<0.01）。