骨密度

1. Origins, structure, and basic meaning

• Structure: 骨密度 (こつみつど) is bone density, a measure related to mineral content within bone. It appears in an individual's test and in population-style data.
• Basic usage: A patient receives an explanation while viewing results; a class interprets a table relating age and bone density.

2. Common pitfalls and similar expressions

• Interpretation of an individual result and relationship between variables
  • 骨密度について makes a person's result the topic, while 年齢と骨密度の関係 concerns the association of two variables. A table-level relationship alone does not determine an individual's condition.