The phrase "a very strong indicator" is correct and usable in written English.
It can be used when discussing evidence or signs that suggest a particular conclusion or outcome.
Example: "The increase in sales is a very strong indicator of the product's popularity in the market."
Alternatives: "a clear sign" or "a significant marker".
"That turnover in bone, that cellular activity, seems to be a very strong indicator in risk of fractures," Dr. Cummings said.
The problem is, these have never been a very strong indicator of what's actually going on with Cupertino and its products, and for good reason.
Given how well the iPhone 4 has sold for Apple, this could be a very strong indicator of how well the iPhone 5 will sell.
We propose that the occurrence of a double-barrel trimer coat protein in an icosahedral dsDNA virus with large facets, irrespective of its host, is a very strong indicator of its membership in a lineage of viruses with a common ancestor.
A change in eye movement can be a very strong indicator of lying, but you have to know the person's typical pattern first.
"It's a very strong indicator that every child needs a net to save his life," said UNICEF Chief of Communication in Mozambique, Arild Drivdal.
This is a very strong indication that a team's adjusted winning percentage is a better indicator of their future success than their actual record.
"That's a very, very strong indicator of how Hillary can sell herself to voters, in New York and nationally," said one Clinton adviser, who spoke on condition of anonymity because he was not permitted to discuss 2008.
They have to have some record of supporting the ideology and membership in the Federalist Society is one very strong indicator".
For example, if a group of genes persistently display similar changes in expression levels under particular experimental conditions, and the proteins encoded by these genes interact and function in the same cellular compartments, this could be taken as very strong indicators for co-regulated protein complexes.
In the multivariate analysis, TNM stage was a very strong and single significant prognostic indicator (HR 37.0; 95% CI 8.2 167.5; P<0.001).
