The phrase "a study identified that" is correct and usable in written English.
It can be used when referring to findings or conclusions drawn from research or academic studies.
Example: "A study identified that regular exercise significantly improves mental health among adolescents."
Alternatives: "a study found that" or "research indicated that".
A previous study identified that a rapid gait test was more likely than other mobility performance tests to discriminate older women at high risk of frailty based on the Japanese LTCI system.
A previous study identified that degradation of IRF7 was ubiquitin-dependent, through use of a dominant-negative form of the Skp, Cullin, F-box (SCF) ubiquitin ligase complex protein Cul1 [19].
Consistently, a previous study identified that MMP14 significantly decreased in SOD1G93A transgenic mice and SALS patients (Kudo et al., 2010).
A previous study identified that several Neospora caninum tachyzoite proteins were more abundant in virulent isolates, Nc-Liv and Nc-Spain7, compared with the low-virulent isolate Nc-Spain1H.
A previous study identified that obesity, pregnancy, asthma, cardiac disease, immunosuppression, and diabetes are all risk factors for pH1N1 [ 2].
Interestingly a recent study identified that low innate capacity to produce IL-1β and IL-6 was associated with the absence of OA in old age [ 59].
A second study identified that learners often disregard RACF placements as being of low clinical relevance, particularly for the development of complex technical skills [ 10].
This study did not lend itself to assessment of anatomical variations associated with croup, although a previous study identified that 49% of children with recurrent croup who underwent endoscopy had a grade 1, mildly abnormal, subglottic stenosis [ 40].
A pilot study identified that all tumours were HIF-1 α immunopositive, but that high- and low-positive subpopulations existed using a cutoff of 20 positive cells per 40 000 μm (200 × 200).
A recent study identified that 26%% of drugs failing first cycle review for approval in the US did so for safety reasons, and a further 27%% failed due to safety and efficacy deficiencies [ 34].
