The phrase "as factually as" is correct and usable in written English.
It can be used when comparing the factual accuracy of two or more statements or claims.
Example: "He presented his argument as factually as possible to ensure clarity and credibility."
Alternatives: "as accurately as" or "as truthfully as".
It deals with events as factually and coldly as possible.
Notwithstanding its satirical title, the book, which the poet John Ashbery recently characterized as "fascinating, salacious and barely readable," as well as factually questionable, is less an autobiography than a series of anecdotes and musings on the people and events that shaped Rivers's turbulent but richly productive career as a painter, sculptor, jazz musician and poet.
As most New York City public-, private- and parochial-school students returned to class after a day's hiatus, their teachers and principals wondered what they knew of Tuesday's events, how deep the scars were, and how to balance the need to tell the truth, as factually and clearly as possible, with the need to protect children from knowledge they cannot grasp and do not need.
"Far too many scientists including my good friend Richard Dawkins present science as the truth and present it as factually correct.
A Boots spokesperson categorically rejected the tax campaigners' claims, describing their calculations as factually inaccurate, "heavily biased" and "defamatory".
The navy described his dossier as "subjective and unsubstantiated" and its inquiry dismissed his allegations as "factually incorrect or the result of misunderstanding or partial understanding".
Despite evidence that he was railroaded -- three other "confessions" harvested by detectives were soon voided as factually impossible -- authorities stood by his conviction.
Mr. Mukasey, in a seven-page retort, dated Oct. 31, dismissed what he called Mr. Kelly's "alarming conclusions" as factually incorrect.
In a statement issued by the Isle of Wight council, he formally retracted his comments regarding crime, drug use and unemployment, describing them as "factually inaccurate".
