The phrase "subject of comparison" is correct and usable in written English.
You can use it for any comparison that you're making between two things. For example, "The effectiveness of the two teaching methods was the subject of comparison in the study."
It is not surprising that a team punching so far above their weight had been the subject of comparisons with the Premier League champions, Leicester City.
Both players have emerged as outstanding young point guards, but because of when they were selected in the draft, they have always been the subject of comparisons when their teams meet.
Research your subjects of comparison.
29 First, logistic regression models to distinguish PMR patients from all comparison subjects and each subset of comparison subjects were examined.
When the subject of a comparison included in two of the patient groups, an independent sample t-test was performed.
The performance of an empty car is usually worse than that of a heavy car; therefore, the empty C80C was taken to be the subject of our comparison.
Figure 4 displays the top 1% income shares in several economies of 'new settlement,' which are the subject of permanent comparison among scholars when trying to understand and explain the divergence of Argentina.
When the subject of a comparison was included in all three groups, a one-way analysis of variance (ANOVA) test was conducted, followed by the Tukey test to verify the results.
However, this analysis includes the result used as reference, the Japanese study, in the subject of the comparison.
In a subject-by-subject comparison of high-traffic and low-traffic measurements (Table 3), almost all subjects experienced higher pollution levels on the high-traffic route.
