What is Normal A1C for Seniors?

More than 25% of adults over the age of 65 have diabetes, making it the 7th leading cause of death in the United States. Beyond that, research shows that seniors with diabetes have the highest rates of medical complications, making regular blood sugar monitoring one of the most important things older adults can do to protect their health. Regular A1C testing is the best way to understand your blood health and catch the signs of prediabetes and diabetes before they impact your health. But what does a normal A1C level for seniors actually look like?

In this post, we’ll break down A1C levels for seniors and provide tips on how to set attainable A1C goals for elderly patients.

What is an A1C Test?

The A1C test is a common blood test that can be used to diagnose or track the progression of diabetes by measuring the average blood sugar level of the individual over the past 2 to 3 months. Higher A1C percentages point to an increased risk of diabetes-related health complications.

A1C tests allow your medical team to diagnose prediabetes or Type 2 diabetes. For people living with diabetes, A1C tests allow them to track how well their healthcare team’s plan is working to manage either Type 1 or Type 2 diabetes.

What is a Normal A1C Range for Seniors?

Normal A1C ranges for seniors are largely the same as any other age group:

• Patients with A1C levels below 5.7% are considered healthy.
• Patients with A1C levels between 5.7% to 6.4% are considered prediabetic.
• Patients with A1C levels of 6.5% or higher on two separate tests are considered diabetic.

For most adults with diabetes, an A1C level of less than 7% is the goal because that threshold is linked to a lower risk of complications. Unfortunately, setting A1C goals for elderly patients often isn’t quite as simple as targeting a healthy A1C level.

Research shows that diabetes prevention and management is significantly more complicated for seniors because of how many variables exist between clinical presentation, psychosocial environment, and resource availability. In other words, an individual’s living conditions and access to a support network often have a major impact on their glycemic goals and overall management of diabetes.

For example, seniors who live in a nursing home or other full-time care facility have less control over the contents of their meals, when they receive medication, and have an overall higher risk of comorbidity. Similarly, older adults with cognitive impairment may struggle to properly follow instructions or keep up with medication schedules, making diabetes management both difficult and dangerous.

What is an Acceptable A1C Level for Seniors?

While an A1C level of 7% for patients with diabetes is the ideal goal, negotiating on what constitutes an acceptable A1C level for seniors is often necessary.

Multiple health organizations around the world have published guidelines for managing diabetes in older populations. Many of these organizations stress how important it is to consider a patient’s overall health, comorbidities, cognitive and physical ability, hypoglycemia risk, and life expectancy when setting A1C goals for the elderly.

Clinical guidelines published by The European Diabetes Working Party for Older People suggest that seniors over the age of 70 with diabetes should be broken up into two categories:

• For seniors with no other major comorbidities, an A1C of 7 – 7.5% was suggested.
• Seniors who are considered frail or were found to be dealing with other major health problems were suggested to target an A1C goal of 7.6 –  8.5% to reduce the risk of hypoglycemia and metabolic decompensation.

A similar report published by The American Diabetes Association suggested that glycemic goals should be dictated by the patient’s unique characteristics and overall health. Specific attention is given to factors like coexisting medical conditions, cognitive dysfunction, and the ability to perform day-to-day activities. Patients are then broken down into one of three categories:

• Healthy – seniors who had few comorbidities and no major cognitive impairment were recommended to target an A1C of <7.5.
• Complex/Intermediate – seniors who had multiple chronic comorbidities, two or more IADL impairments, or mild to moderate cognitive impairment were recommended to target an A1C of <8.
• Very Complex/Poor Health – seniors who were permanently living in a long-term care facility, were considered to be in the end-stages of a chronic illness, had two or more IADL impairments, or had moderate to severe cognitive impairment were recommended to target an A1C of <8.5.

How Often Should You Test A1C Levels in Elderly Patients?

How often seniors should be testing their ALC levels depends on the type of diabetes they have, their treatment goals, and the plan laid out by their medical team.

For seniors who don’t use insulin and have healthy A1C levels, taking a test once or twice a year at your regular check up is enough. For those using insulin or have trouble keeping their blood sugar level in their targeted range, more regular testing is required.

If you need help maintaining normal A1C levels for the seniors in your life, learn more about our home care services. Contact our caregiving team today at 1-800-GRISWOLD or find a Caregiver near you.