The phrase "a marginal correlation between" is correct and usable in written English.
It can be used in contexts where you want to describe a weak or slight relationship between two variables or factors.
Example: "The study revealed a marginal correlation between exercise frequency and overall happiness levels among participants."
Alternatives: "a slight association between" or "a weak relationship between".
Nevertheless, none of the combat behaviour was correlated with SDI or body size, except for a marginal correlation between SDI and male territory defence (p = 0.09; Table 3).
There is only a marginal correlation between physical pathology and self-report of pain in people able to self-report.
We found a marginal correlation between epithelial gap density and the number of relapses in the follow-up period.
There was a marginal correlation between changes in serum phospholipid AA and changes in serum TNF-α (r = 0.191, P = 0.058).
Fitting a linear regression trend line for CBH I (R = 0.63; slope = -0.0877; intersection = 0.74), CBH II (R = 0.99; slope = -0.0933; intersection = 0.64), and EG I (R = 0.53; slope = -0.0913; intersection = 0.62) indicates a marginal correlation between maximum recoverable cellulase fraction and total hydrolyzate lignin concentration.
Widespread but elusive multifactor interactions usually result in a weak marginal correlation between a factor and the phenotype, posing a significant challenge in identification of the risk factors for complex diseases.
Zhang [ 11] and Li [ 12] found a marginal correlation (p-value < 0.1) between the association of NTD incidence and chemical elements in soils (e.g. Mn and Cr).
Indeed, only a marginal correlation (r = 0.08; P = 0.015) exists between the mRNA expression and inferred activity of Crz1p over all conditions in our database.
Similarly to the training set, although there was no significant correlation between PKM2 mRNA levels and objective response rate (P=0.390; Table 2) in the validation set, a marginal correlation with the DCR (70.9% vs 57.7% P=0.049; Table 2) was observed.
* marks significant correlations (p < 0.005) and † indicates a marginal correlation (p = 0.006).
There was a marginal correlation of FVC with the number of perivascular CD4 cells (Fig. 4).
