The phrase "a fact that left" is not complete and lacks context, making it difficult to determine its correctness in written English.
It could be used in a context where you are discussing a fact that has had a significant impact or consequence, but it needs to be part of a fuller sentence.
Example: "The revelation was a fact that left everyone in shock."
Alternatives: "a truth that remained" or "a detail that lingered".
But contrary to one of Mitchell's recommendations, the administrator will not have input in how the testing policy is designed, a fact that left some antidoping experts unsatisfied.
The vast majority of last spring's stimulus package, in the form of tax rebate checks, was saved rather than spent, a fact that left some economists complaining that the rebates had little bang for the buck.
But Gaul as a country was a Roman concept, its lands inhabited by diverse tribes who were often at war with each other, a fact that left them fatally vulnerable to the more disciplined, technologically advanced and better commanded Romans, even though it is reckoned that Caesar's legions — who, according to their general "could storm the heavens" — never numbered more than 50,000 men.
Had he won, he would have become the second youngest champion in history, a fact that left many commentators breathless with admiration.
We know for a fact that left to our own devices humans will deplete a resource even knowing the dire consequences that will ensue.
But Emily's parents are illegal immigrants, a fact that left her in limbo and complicated her return to the United States.
A result is a vicious circle toward national scientific illiteracy; so vicious, in fact, that left unchecked it will compromise American scientific progress and leadership.
In fact, that left sidebar is gone and has been replaced with small icons next to search results to tell you what site they're from at a glance.
It's a fact that will forever leave me down in the mouth.
Bitcoin's price has risen stratospherically, a fact that leaves many minor players in the market with massive gains and many bigger players millionaires.
Unlike those who hold first tier offices the people of the second tier cannot be counted on or be required to be virtuous, a fact that leaves John somewhat contemptuous of them (Poli VI pro. n103).
