"persistent trends" is correct and usable in written English.
You can use it when you are talking about trends that stay in place for a long time. For example: "The persistent trends of the past decade have changed the way we look at the world."
One of this year's most persistent trends (other than the business part of the music business melting like a Snickers in your back pocket) is the rebirth of house music.
By Sasha Frere-Jones March 6, 2009 One of this year's most persistent trends (other than the business part of the music business melting like a Snickers in your back pocket) is the rebirth of house music.
His efforts contributed equally to two of contemporary art's most persistent trends: the interactive, collaboration-prone art of relational aesthetics and the cobbled-together assemblage-like objects called bricolage.
Globalisation and striving for self-reliance are both quite persistent trends in themselves and are therefore rated as moderately certain [10, 17].
Finally, fastviz fastviz captures persistent trends in the values of the properties by leveraging the short-term and long-term node activity.
For example, as Jacob and Linner (2005) maintain, "one of the persistent trends of major international environmental negotiations…has been the emergence of irreconcilable differences between the North and South" (p. 403).
The Louisiana case is only the latest example in a horrifying but persistent trend.
There is a persistent trend for more outpatient lumbar discectomies in the United States.
The station's Twitter automaton summarized: The week's most persistent trend among the trending topics, though, may have been the many hoaxes cluttering area Twitter feeds.
Celebrating aimless adults who prefer to sponge off the hard work of others is a dispiritingly persistent trend in American entertainment.
Part of the flight to luxury magazines is simple me-too, the most persistent trend of all in publishing, and maybe that alone should tell us the end of the boom is near.
