The phrase "a trend appeared" is correct and usable in written English.
You can use it when discussing the emergence of a new pattern or tendency in data, behavior, or events.
Example: "In the recent survey, a trend appeared indicating a shift in consumer preferences towards sustainable products."
Alternatives: "a trend emerged" or "a trend was observed."
There were no significant differences between all four groups in regard to total amount of time and number of aspiration attempts; however, a trend appeared revealing that PGY3 and attending physicians tended to aspirate in less time and by fewer attempts in all three orientations when compared with the PGY2 and PGY1 physicians.
Similarly, no significant association was found between claudin 1 expression and patient survival (p=0.93), nor recurrence of the disease (p=0.29); although a trend appeared towards significance for disease recurrence.
Mr. Dingell wrote that "a trend appears to be emerging of short-circuiting procedural norms, suggesting a larger breakdown at the agency".
It explores Simpson's paradox, in which a trend appears in two sets of data, but disappears when both are combined.
A trend appears to be emerging.
By the time a trend appears in the mainstream press, is it too late for investors to capitalize on it?
That has another advantage, which plays into a trend appearing among other enterprise startups: an increasing push on making cloud-based apps more "social", letting companies use the platforms to be more interactive with third parties and clients.
Intuitively the hypothesis seems plausible, but researchers at the the University of Western Australia wanted to see if such a trend appears in animal populations, or more specifically, in magpies.
A trend appears, from the greatest discrepancy observed for the shortest alignments, to an almost systematic agreement for the longest alignments.
After three and one-half years, an interim data analysis did not detect any trend towards a benefit from bright light (though a minimal trend appeared in the final results below).
However, there was an increasing trend of streamflow in the upper and middle Yangtze in the 1960s, and a decreasing trend appeared in the 2000s.
