The phrase "a primary finding was" is correct and usable in written English.
It can be used when summarizing the main results or conclusions of a study or research project.
Example: "In the research conducted on climate change, a primary finding was the significant increase in global temperatures over the past century."
Alternatives: "a key discovery was" or "a main conclusion was".
A primary finding was that during a simulated pivot-shift test, a significant reduction in internal rotation at 30°, 45° and 60° of knee flexion was noted for the ACL reconstruction in conjunction with an ALL reconstruction.
A primary finding was that evacuating nursing home residents to buildings that are not designed to support nursing activities (e.g., a school gymnasium or church) adversely affected resident feeding, sleeping, movement, and security.
A primary finding was a similar carcinogenic response for various substances (including highly unreactive materials such as gold, platinum, and polyethylene) inserted subcutaneously, but only when they were implanted intact and not in a powdered form [ 28].
A primary finding is that, instead of forming undersea rivers or plumes, the dissolved oil and gas more likely formed big, billowing clouds that drifted around the northern gulf, appearing and reappearing in different places at different times — thus confounding scientific attempts to develop a clear picture.
Our primary finding was that a significantly higher percentage of healthy asymptomatic persons possibly exposed to asbestos had detectable levels of serum CCL3 compared to healthy unexposed control subjects.
Our primary finding was that UK infants, on average, demonstrated a striking pattern of accelerated BMI growth against the UK-WHO charts.
The primary finding was that ΔVpeakBA >10% predicted fluid responsiveness with a sensitivity of 74% and a specificity of 95%.
Our primary finding was that rosiglitazone added to either metformin or to a sulfonylurea reduced ambulatory sBP and dBP and this effect was greater than that observed with the standard diabetes combination treatment of metformin and a sulfonylurea.
Their primary finding was that the Chinese government doesn't appear to censor criticism on social media, but it does censor social media posts encouraging collective action.
Our primary finding was that in the assisted tutoring (AT) format made the instructor produced more fluent explanations with fewer pauses than in the ID setting, presumably because of reduced cognitive load.
