The phrase "a correlation observed" is correct and usable in written English.
It can be used when discussing findings or results in research or analysis, indicating that a relationship between two variables has been noted.
Example: "In the study, a correlation observed between exercise frequency and mental health improvements suggests that regular physical activity may enhance well-being."
Alternatives: "a noted correlation" or "a detected correlation".
There has long been a correlation observed between materialism, a lack of empathy and engagement with others, and unhappiness.
There is also a correlation observed between increased activity of GGT and the adverse prognosis in breast cancer patients.
The role of dCK in resistance to ara-C has been established with a correlation observed between dCK deficiency and ara-C resistance (Galmarini et al, 2002).
As well as the limitations described above, this and similar studies are also limited by the lack a specific biomarker for enumerating ECFC in UCB, particularly in light of the lack of a correlation observed with CD34.
We next asked whether there exists a correlation observed between experimental IC50 and calculated binding free energy as IC50 values were found to be strongly correlated (R = 0.887) with KD values in the work of Magotti and co-workers.
Transmission of TALEN-induced mutations to the next generation was observed only in progeny of T1 plants with the highest frequencies of somatic mutations, a correlation observed recently in zebrafish (Chen et al. 2013).
There was a direct correlation observed between joint thickness and internal pressure rating.
There was a weak correlation observed between automated BSI and all the available blood-based biomarkers (N = 80).
There was a positive correlation observed between CRP and CDAI (r = 0.51, P < 0.0001)).
There was a strong correlation observed between the immunohistochemical response (bcl-2/bax ratio), clinical response and drug toxicity.
A third interesting correlation observed in the experimental data (Fig. 4b d) relates to the order of the distribution width β and the molecular mass of each guest species: H2 (30 K), CH4 (50 K), N2 (57 K) and Ar (118 K).
