Can you explain this expression to me, please?

Hi, I am reading a study about a medical product and I don’t understand the expression in capital letters. I am not a native English speaker. Please, explain this expression to me, thanks: “This STUDY IS RATED HIGH as it used the same technology as used in abc with no reported complications; supporting both... show more Hi,

I am reading a study about a medical product and I don’t understand the expression in capital letters. I am not a native English speaker. Please, explain this expression to me, thanks:

“This STUDY IS RATED HIGH as it used the same technology as used in abc with no reported complications; supporting both safety and performance of this technology.”

Rose
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