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. 2023 May;60(5):663-672.
doi: 10.1007/s00592-023-02036-9. Epub 2023 Feb 17.

Sleep quality and sex-related factors in adult patients with immune-mediated diabetes: a large cross-sectional study

Claudio Bongiorno  1   2 , Simona Moscatiello  1 , Michele Baldari  1   2 , Enrico Saudelli  1   2 , Stefano Zucchini  3 , Giulio Maltoni  3 , Danilo Ribichini  1 , Alessia Bruco  1   2 , Valentina Lo Preiato  1   2 , Gilberto Laffi  1 , Uberto Pagotto  1   2 , Guido Di Dalmazi  4   5
Affiliations

Sleep quality and sex-related factors in adult patients with immune-mediated diabetes: a large cross-sectional study

Claudio Bongiorno et al. Acta Diabetol. 2023 May.

Abstract

Aim: To analyze sleep quality and its relationships with clinical and biochemical features in a large cohort of adults with autoimmune diabetes.

Methods: We administered to 553 patients with autoimmune diabetes the questionnaires: Pittsburgh Sleep Quality Index (PSQI), diabetes distress scale, diabetes-related quality of life and diabetes treatment satisfaction questionnaire. We excluded patients with missing HbA1c ± 4 months from PSQI administration or incorrect PSQI compilation (n = 110).

Results: Altered sleep quality was recorded in 142/443 subjects (32%), insufficient total sleep time in 177/443 (40%). The altered sleep quality group had higher HbA1c (median 56 mmol/mol [interquartile range-IQR 49-62] vs 59 [IQR 52-68]; P < 0.001), higher average HbA1c in the previous 36 months (59 mmol/mol [IQR 54-68] vs 56 [IQR 51-62]; P < 0.001), and more individuals with HbA1c > 53 mmol/mol (74.6% vs 62.8%; P = 0.014). Diabetes duration (P = 0.63), type of insulin delivery (P = 0.48) and glucose monitoring (P = 0.35) were uninfluential. Patients with altered sleep quality showed higher prevalence of autoimmune (42 vs 28%; P = 0.005) and mental diseases (12 vs 4%; P = 0.002); there were greater emotional distress, and lower quality of life and treatment satisfaction (P < 0.001 for all), irrespective of sex. Men with altered sleep quality had higher HbA1c and prevalence of autoimmune diseases. Women showed greater prevalence of psychiatric disorders. Average HbA1c of the previous 36 months, autoimmune or psychiatric disorders were independent predictive factors for altered sleep quality.

Conclusion: One-third of the patients with autoimmune diabetes showed altered sleep quality, which associates with worse glycemic control, and autoimmune and mental disorders, with sex-specific differences.

Keywords: Autoimmune diabetes; Pittsburgh Sleep Quality Index; Sex; Sleep; Sleep quality; Type 1 diabetes.

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Conflict of interest statement

None.

Figures

Fig. 1
Fig. 1
Proportion of patients with altered Pittsburgh Sleep Quality Index (> 5) among categories of HbA1c, overall and stratified by sex. Categories: < 6.5% (48 mmol/mol), 6.5–7.0% (48–53 mmol/mol), > 7% (53 mmol/mol). *P < 0.05 vs all
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