What do the colors on the reference graph signify in a BMD report?

• A. Patient age categories
• B. Plotted T-scores
• C. Duration of the scan
• D. Type of bone analyzed

Answer: (B)

In a Bone Mineral Density (BMD) report, the colors on the reference graph are primarily used to signify plotted T-scores. T-scores are a critical component in diagnosing osteoporosis and assessing fracture risk, as they compare a patient’s bone density with the average peak bone density of a healthy young adult. Different colors may represent various ranges of T-scores, helping clinicians quickly interpret the patient's bone health status.

By incorporating color coding, the report allows for an instant visual indication of whether a patient's bone density falls within a normal range, is classified as osteopenic, or is indicative of osteoporosis. This visual representation helps healthcare professionals make informed decisions based on the patient's risk factors and the necessity for intervention or further monitoring.

While patient age categories, duration of the scan, and type of bone analyzed are important aspects of BMD assessments, they are generally not represented with color distinctions on the reference graph itself. The focus of color use is specifically on the interpretation of T-scores, making this the correct answer.