The phrase "also compared the rate" is correct and usable in written English.
You can use it when discussing a comparison of rates in a study, report, or analysis.
Example: "In addition to the previous findings, the researchers also compared the rate of infection in different age groups."
Alternatives: "additionally analyzed the rate" or "further examined the rate".
We also compared the rate of ROSC and the 1-month survival rate with or without adrenaline administration by ELSTs in 2008.
We also compared the rate of sFn utilization (µg/ml·hr) of α5β1(M) and α5β1(HH) aggregates, over a 5-day period.
We also compared the rate of intrinsic and glycine-stimulated cleavage of gpASNase3 and hASNase3.
We also compared the rate of transfers in singleton and multiple births across epochs and measured changes in 28 day mortality.
We also compared the rate of synonymous substitutions at individual sites between helices and loops using a Mann–Whitney U test, and the variation in dS between helices and loops using Levene's test.
In this study we also compared the rate of proliferation with that of apoptosis, because the balance between these two events and the consequences of an imbalance are fundamental to our understanding of how hyperplasia and neoplasia develop.
We also compared the rates of regeneration in regenerating animals of different sizes.
We also compared the rates of nosocomial pneumonia and multidrug-resistant bacteria.
We also compared the rates of disease recurrence between patients with and without the TMPRSS2 ERG gene fusion expression.
We also compared the rates of gain, loss, expansion and reduction between microbes with three lifestyles, free-living, facultative host-associated and obligate intracellular parasite.
Further, we also compared the rates of clinician's asking and advising parents about smoking and smoke-free home and cars pre and post intervention.
