据观察40%的病人患有高血压。的翻译：Observation on 40% of patients suffering from high blood pressure. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

It was observed that 40% of patients suffering from high blood pressure.

Observation on 40% of patients suffering from high blood pressure.

According to observes 40% patient to contract hypertension.

It has been observed 40% of patients with hypertension.

Observation on 40% of patients suffering from high blood pressure.