Final answer:
Demographic information refers to structural population characteristics such as age and gender. In the context of EHR reports, reports by treatment history do not qualify as demographic data. Hence, patient demographics by treatment history is not a valid demographic report that the EHR can provide.
Step-by-step explanation:
To answer the question of what patient demographic information can be obtained from an Electronic Health Record (EHR) report generator, one must understand what defines 'demographic information.' Typical demographic information includes variables that describe populations, such as age, gender, and insurance coverage. These allow for an understanding of the composition of patient populations based on these characteristics. However, demographic data are usually limited to structural population characteristics and do not encompass clinical data, such as a patient's treatment history.
Therefore, when using an EHR report generator to find patient demographic information, it would be inappropriate to ask for a report categorized by treatment history as that pertains to individual medical records and clinical information rather than demographic statistics. This means options A) 'Patient demographics by age,' B) 'Patient demographics by gender,' and C) 'Patient demographics by insurance provider' are all valid demographic reports. In contrast, option D) 'Patient demographics by treatment history' is not typically a demographic report and is the correct response to the question.