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Type 1 Diabetes/Hidradenitis Suppurativa Comorbidity-A Population-Based Study
Shany Sherman1,2, Ron Slama2, Danielle Bar2
1Division of Dermatology, Rabin Medical Center, Beilinson Hospital, Petach Tikva 4941492, Israel.
Type 1 diabetes (T1D) is linked to a higher risk of developing hidradenitis suppurativa (HS). This association highlights the need for awareness of this comorbidity due to increased metabolic and autoimmune issues.
Area of Science:
- Endocrinology
- Dermatology
- Epidemiology
Background:
- Type 1 diabetes (T1D) and hidradenitis suppurativa (HS) share inflammatory and metabolic dysfunctions.
- Previous research suggested a link but lacked validated T1D diagnoses or showed only indirect associations.
Purpose of the Study:
- To determine the odds of HS development in patients with a validated T1D diagnosis.
- To characterize clinical features of HS/T1D comorbidity.
Main Methods:
- Population-based nested case-control study.
- Included 10,919 HS patients and 53,314 controls, matched 5:1.
- Validated T1D diagnosis using a specialized algorithm and expert review.
Main Results:
- T1D history was associated with significantly higher odds of new-onset HS (OR 1.80, aOR > 1.7).
- HS/T1D patients had more autoimmune conditions and higher comorbidity burden (Charlson Index 3.5) than HS or T1D alone.
- Adjusted analyses confirmed the association after controlling for confounders.
Conclusions:
- Type 1 diabetes is associated with increased odds of subsequent hidradenitis suppurativa.
- Awareness of HS/T1D comorbidity is recommended due to the elevated burden of metabolic and autoimmune conditions.
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