The phrase "a much larger pattern" is correct and usable in written English.
It can be used when discussing trends, behaviors, or phenomena that are part of a broader context or framework.
Example: "The data we collected reveals a much larger pattern of consumer behavior that we need to analyze further."
Alternatives: "a significantly broader trend" or "a far more extensive framework".
But the slow sapping of his effectiveness as the Astros saw more of him is part of a much larger pattern.
"Steven Pinker's great achievement is to weave these trends into a much larger pattern of reduced violence, greater empathy and, indeed, a comprehensive civilizing process," said Nils Petter Gleditsch, a research professor at the Peace Research Institute Oslo in Norway.
The Justice Department charged that the contributions laundered through the younger Magliocchetti were part of a much larger pattern at his father's company, where lobbyists, employees, associates, friends and family members became prolific donors to many lawmakers who were involved in giving out federal earmarks.
It's a much larger pattern of thumb-on-the-scale coverage and commentary.
The Hall and Wolf 2000 Hawaii trips were part of a much larger pattern.
This lighthearted look at the Clintons' charitable excursions exemplifies a much larger pattern: the unaccountability of today's influence elites (see my book Unaccountable).
The design extends the original work of Hoes [Hoes K. Development of a new sensor-based set-up for experimental permeability identification of fibrous media, PhD thesis, Vrije Universiteit Brussels, Brussels, 2003] with a new sensor design, a much larger sensor pattern, and new analysis software.
Furthermore, since independent hopping scheme results in a much larger FH pattern than cluster hopping, more frequency diversity can be exploited in the independent hopping case.
In many parts of western North America, she notes, it is linked to a much larger Pacific Ocean climate pattern known as the El Niño Southern Oscillation, in which generally wet and dry periods alternate.
In frontal directions, the same change, however, leads to a much larger change in the pattern of neuronal activity and, thus, to better discriminability between sound sources close to the midline than between those at lateral locations [57].
The Mediterranean dietary pattern presented lower footprints than the current Spanish pattern, and to a much larger extent than the Western dietary pattern.
