Ages for Geriatric

What is the chronological entry point for “old age”?

65 years

What age range defines young-old adults?

65–74 years

What age range defines old-old adults?

75–84 years

What age defines the oldest-old adults?

85 years and older

What age defines centenarians?

Over 100 years

What age defines supercentenarians?

Over 110 years

Is biological age the same as chronological age?

No, biological age refers to functional and physiologic condition, which can differ from chronological age

What does functional age classify?

The degree of general health and physical activity; based on activities of daily living (ADLs) and instrumental activities of daily living (IADLs)

What is primary aging?

Normal, universal, intrinsic age-related changes (e.g., skin wrinkling)

What is secondary aging?

Age-related changes due to disease or trauma that lead to impairment (e.g., heart disease)

What is optimal aging?

Successful aging slowed by preventive measures such as healthy diet and physical activity