The phrase "a primary indication of" is correct and usable in written English.
It can be used when discussing a key sign or signal that suggests a particular condition or outcome.
Example: "The increase in temperature is a primary indication of climate change."
Alternatives: "a key sign of" or "a major indicator of".
Morphological change is a primary indication of cell apoptosis.
So it is safe to claim that the establishment of social supports and emotional connections is a primary indication of Chinese international students' academic success.
Since identification of extrauterine pregnancy is not a primary indication of the POCUS evaluation, this examination should usually be performed by imaging specialists.
It is possible to make three observations that provide initial evidence of trans-national diffusion dynamics between FRPs and give a primary indication of the role diffusion dynamics play in the FRP development process.
That measure, according to the author, considers the absolute frequency of the term as a primary indication of the relevance of a term, and penalizes the terms that occur in the contrasting corpora of other domains dividing the term absolute frequency in the corpus of the domain by the geometric composition of the absolute frequency in each of the contrasting corpora.
The pro- and anti-inflammatory mediator profiles (P and A) and the energetic response of the macrophages (E) were used as a primary indication of a constrained or unresolved inflammatory response.
Finally, one can always argue that some of the included patients had a primary indication for EBUS or EUS-FNA instead of being submitted to the described conventional procedures.
In order to assess whether the indication for ICD implantation had effect on the outcomes, we compared the scores on different scales of patients with a primary indication versus a secondary indication for ICD implantation.
Poor air-conduction threshold is the primary indication of conductive hearing loss, since abnormalities of the conduction mechanism have relatively little effect on bone-conduction measurements.
In each case, characteristic change of the color of reaction mixture was observed within 2 min which was the primary indication of the formation of bimetallic alloy NPs.
