The phrase "aggregate category" is correct and usable in written English.
It can be used in contexts where you are discussing a collective grouping or classification of items or data that share common characteristics.
Example: "In our analysis, we found that the aggregate category of consumer electronics showed significant growth over the past year."
Alternatives: "combined category" or "overall category".
Thermal properties like expansion and weight loss related to chemical reactions show important variations among the siliceous aggregate category.
Since some respondents reported excessively large numbers in this aggregate category of work/school contacts, we limited the numbers to a maximum of 50 for this analysis.
All remaining underlying causes were assembled into a single aggregate category ('other').
Each aggregate category includes all of the relevant individual CCS multilevel diagnoses.
The prevalence figures closely resembled the aggregate category for subjects reporting one or more chronic conditions generally.
We defined an aggregate category for panic disorder with or without agoraphobia, and which also included agoraphobia with panic-like symptoms, but not panic disorder.
Finally, in some cases all origin countries are grouped, either because I only observe the total stock of immigrants in the destination country (a single group), or because the data is presented in big aggregate categories (e.g. data by continent or subcontinent of origin).
Due to the small number of cases among the children, levels 1 4 were combined into aggregate categories of either "AN present" or "AN absent".
In addition we report the aggregate categories of Infectious disease, trauma, post-operative observation, disease of circulatory system and pregnancy related.
cFor the categorical interaction analyses in HNC-subtypes, it was necessary to aggregate categories of alcohol consumption (grams ethanol/day) in order to obtain sufficient numbers in strata.
Furthermore, when abnormality was defined in the same way for the full sample of hands, the prevalence of abnormality in hands with numbness/tingling but negative on both Tinel's and Phalen's tests (aggregate categories C, E and H in Table 3) was 25% as compared with 32% in hands with no numbness or tingling (aggregate categories A and B in Table 3).
