[請益] Using "of" or not

[hsinpu (Jack)]

The original sentense is as follows:

The median sample firm has 17.9% annualized earnings growth.

I want to rewrite it as,

The median sample firm has an annualized earnings growth rate of 17.9%.

Could this be better?
By the way, if you have some knowledge of statistics, you should know that
the more precise meaning behind this sentence should be

The median of the annualized earning growth rates of the sample firms
is 17.9%.

I am wondering if it is too unformal to write a sentense like the frist one.
Since it is quoted from a famous financial journal, I have no confidence to
criticize it. Therefore, I hope that I can get some help here.

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推 Realthugz:I think the first one is simple and neat.
→ Realthugz:the rewrite version is not bad and basically conveys
→ Realthugz:similar message.