根据流行病学研究，情况就是如此。

According to epidemiological studies, that appears to be the case.

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一般根据流行病学，临床症状和病理变化的特点进行诊断。

Diagnosis is generally based on characteristic epidemiology, clinical symptoms and lesions.

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因此，根据流行病学或观察性数据，可以说血压目标应该更低。

So. one could argue on epidemiological or observational data that the goal should be lower.

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