What term best describes the results of diagnostic tests and observations made by health care professionals?

The term that best describes the results of diagnostic tests and observations made by health care professionals is "signs." In the context of healthcare, signs refer to the objective evidence of a disease or condition that can be seen or measured by someone other than the patient, such as a doctor or nurse. These include results from physical examinations and diagnostic tests that are quantifiable, such as blood pressure readings, laboratory values, or imaging results.

This is distinct from "symptoms," which are subjective experiences reported by the patient, such as pain or fatigue. "Indicators" generally refer to broader metrics or variables used for assessing performance or outcomes, which may not be specifically tied to an individual's health condition. "Conditions" refer to the state of health or illness itself rather than the measurable results from tests or assessments. Thus, "signs" is the most accurate descriptor in a clinical context for the objective outcomes derived from diagnostic processes.