The phrase "abnormalities were defined as" is correct and usable in written English.
It can be used in contexts where you are explaining or clarifying what constitutes abnormalities in a specific study, report, or analysis.
Example: "In the study, abnormalities were defined as any deviations from the normal range of values observed in the test results."
Alternatives: "irregularities were characterized as" or "anomalies were described as".
Retinal microvascular abnormalities were defined as retinopathy (hard and soft exudates, hemorrhages, or microaneurysms) and/or retinal arteriolar abnormalities (arteriovenous nicking, focal arteriolar narrowing, or lowest quartile arteriole-venule ratio).
Abnormalities were defined as DTI values more than 2 standard deviations below or above the mean values of controls for each ROI.
Cardiometabolic abnormalities were defined as: (1) impaired fasting glucose (≥100mg/dL and ≤126mg/dL); (2) hypertension; (3) triglycerides ≥150mg/dL; (4) HDL-C <40mg/dL in men, <50mg/dL in women; and (5) insulin resistance (calculated Homeostatic Model Assessment (HOMA-IR) index of >5.13).
Embryos showing blastomere multi-nucleation, poor cell adhesion, uneven cell division and cytoplasmic abnormalities were defined as low quality.
Clonal abnormalities were defined as two or more cells with the same chromosomal gain or structural rearrangement or at least three cells with the same chromosome deletion.
Bone abnormalities were defined as any radiologically documented bone fracture or other bone abnormality and vascular calcification or tissue calcinosis detected by any imaging technique.
The primary cytogenetic abnormalities most associated with standard risk includes hyperdiploidy; t(11 14) or t(6 14) and high-risk abnormalities are defined as t(4 14), t(14 16) and t(14 20 10,11.
Afterwards, abnormalities are defined as behaviors that do not match with patterns previously learned as normal, i.e., behaviors that have not been observed before [6].
Although the visual detection of regional wall motion abnormalities is defined as a basic competence in critical care echocardiography, no previous study in ICU setting has validated the level of training required for its acquisition.
The percentage of glomerular abnormalities is defined as the number of glomeruli with damage divided by the total number of glomeruli in the section.
The IR for laboratory abnormalities was defined as subjects with an abnormality per number of post-baseline visits until the first abnormality occurred.
