Regarding the inference of causality in observational non-controlled studies. Comment on “Assessment of sexual function and its association with quality of life and disease severity in patients with atopic dermatitis” ‒ Reply

Q: What does this research mean for the field?

Observational non-controlled studies require careful methodological consideration when inferring causality, particularly regarding the associations between sexual function, quality of life, and disease severity in atopic dermatitis. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Aline Lopes Bressan; Carla Machado; Rita Fernanda Cortez de Almeida; Sueli Carneiro

doi:10.1016/j.abd.2026.501451

August 28, 2026Anais Brasileiros de DermatologiaOpen Access

Regarding the inference of causality in observational non-controlled studies. Comment on “Assessment of sexual function and its association with quality of life and disease severity in patients with atopic dermatitis” ‒ Reply

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Key Points

Clarify the methodological constraints in establishing direct causal relationships from uncontrolled observational data linking atopic dermatitis with sexual dysfunction and impaired quality of life.
Methodological commentary and author reply critically evaluating observational, non-controlled study designs.
Assessment of validity standards and confounding risk when evaluating associations between dermatological severity metrics and sexual health outcomes.
Highlights that non-controlled observational studies demonstrate statistical correlations rather than definitive causal links between skin disease severity and sexual dysfunction.
Emphasizes the necessity of accounting for unmeasured psychological, physical, and social confounders before asserting directional clinical causality.

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Implication

Methodological reply discusses causal inference limitations in atopic dermatitis, highlighting the risk of overinterpreting uncontrolled observational associations.

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Bressan et al. (2026) studied this question.

synapsesocial.com/papers/6a93f0e06c1a8fb52e79d5a7 https://doi.org/10.1016/j.abd.2026.501451

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Regarding the inference of causality in observational non-controlled studies. Comment on “Assessment of sexual function and its association with quality of life and disease severity in patients with atopic dermatitis” ‒ Reply

Key Points

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Implication

Abstract

Discussion

Cite This Study

Regarding the inference of causality in observational non-controlled studies. Comment on “Assessment of sexual function and its association with quality of life and disease severity in patients with atopic dermatitis” ‒ Reply

Key Points

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Implication

Abstract

Discussion

Cite This Study

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