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Research Center for Accident Prevention and Disaster Management
Abstract:   (100 Views)
Covid-19 is a public health threat, and older people who suffer from diabetes mellitus (DM) type II are more vulnerable (1). DM type II is one of the most common non-communicable diseases in the world and one of the top 10 leading causes of death in many countries (2). In 2011; it is estimated that there are 366 million people with DM in the world, and it is predicted that it would rise to 552 million by 2030 (3).
The prevalence of DM has been doubled in the last three decades, in Iran. A national study (2013) estimated that the prevalence of DM was 13.8%. According to the results of the screening program in Yazd province in 2012, the prevalence rate of known DM cases and impaired fasting glucose was 16.3% & 11.9% respectively (4).
A study by Katibeh et. al. in 2015 determined the prevalence and risk factors of DM in an adult population (‎40–80 years old) ‎ in Yazd among 2090 participants. The age- and sex-standardized prevalence of DM was 24.5% (‎95% CI: 22.2–26.8%)‎, including 10.5% new cases (5).
At the time of writing this report (5/5/2020), the pandemic of covid-19 from the beginning of March to the middle of May has affected 97601 people and killed 6277 people in Iran.
Considering the vulnerability of diabetic patients to infectious diseases, this report summarizes the health consequences (the presence of other underlying diseases, the proportion of diabetic patients who were hospitalized in the intensive care unit (ICU), the length of hospitalization and the mortality rate). It should be mentioned; this report presents the statistics of covid-19 positive diabetic patients who were referred to hospitals of Yazd province, which located in central part of Iran. 
In the months of March and May, 241 people suffered from DM out of 2492 definite cases of covid-19 positive. Among non-diabetic patients, 1,207 (54%) were male and 1,044 (46%) were female vs. 135 women (56%) and 106 men (44%) with DM. 17% (n=401) of non-diabetic group and 28% (n=68) diabetic group were in 61-70 age range, which is the most vulnerable age range with the highest number of definite covid-19 positive cases. From definite covid-19 positive cases, 141 (58%) of diabetic patients and 377 (17%) of non-diabetic patients also had other underlying diseases and the most common problem was cardiovascular conditions in both groups.  On the other hand, 316 (14%) of non-diabetic patients and 74 (30.7%) with diabetes, were admitted to ICU. The average length of hospital stay for non-diabetic group was 6 days vs. 8 days in patients with DM. The total number of deaths in non-diabetic patients were 246 (11%) and 54 (22%) in patients with DM.
The complications and consequences of DM are the issues which diabetic patients will experience. Severe complications including admittance to ICU, and mortality are higher in DM in comparison with non-diabetic patients. We conclude that severe signs and symptoms are more probable due to covid-19 virus in diabetic cases.

Type of Study: Letter to The Editor | Subject: Special
Received: 2020/05/10 | Accepted: 2020/04/22