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Updated: Oct 18, 2025

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19
Published on: July 5, 2022
Diabetes and the Risk of Long-term Post-COVID Symptoms
César Fernández-de-Las-Peñas1, Carlos Guijarro2,3, Juan Torres-Macho4,5
1Department of Physical Therapy, Occupational Therapy, Physical Medicine and Rehabilitation, Universidad Rey Juan Carlos (URJC), Madrid, Spain cesar.fernandez@urjc.es.
Diabetes does not increase the risk of long COVID symptoms in recovered patients. This study found no significant differences in post-COVID conditions between individuals with and without diabetes after severe acute respiratory syndrome coronavirus 2 infection.
Area of Science:
- Infectious Diseases
- Endocrinology
- Pulmonology
Background:
- Long-term post-coronavirus disease (COVID) symptoms are a significant concern for recovered patients.
- The impact of pre-existing diabetes on the development of these long-term symptoms remains an area of investigation.
Purpose of the Study:
- To investigate the association between diabetes and the presence of long-term post-COVID symptoms in patients who recovered from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection.
- To determine if diabetes is a risk factor for experiencing persistent post-COVID symptoms.
Main Methods:
- A case-control study was conducted with individuals hospitalized during the first pandemic wave.
- Case subjects had a prior diabetes diagnosis, while control subjects did not; both groups recovered from COVID-19.
- Data collected included hospitalization records, telephone interviews assessing post-COVID symptoms, anxiety, depression, and sleep quality.
Main Results:
- The study assessed 145 patients with diabetes and 144 controls approximately 7 months post-discharge.
- No significant differences were found in the number or type of post-COVID symptoms (e.g., fatigue, dyspnea) between diabetic and non-diabetic groups.
- Limitations in daily living activities were also similar between the groups.
Conclusions:
- Diabetes was not identified as a risk factor for developing long-term post-COVID symptoms.
- Pre-existing diabetes does not appear to influence the likelihood or severity of persistent symptoms after SARS-CoV-2 infection.
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