18 Marzo 2022
Rivka Friedland, Khalaf Kridin, Arnon Dov Cohen, Daniel Landau, Dan Ben-Amitai

Psoriasis and renal disorders: A large-scale population-based study in children and adults

Dermatology. 2022 Mar 3;1-6

Key messages

  • L’obiettivo del presente studio è stato quello di valutare l’eventuale associazione tra psoriasi e comorbilità renali tra i pazienti pediatrici e adulti con psoriasi.
  • Rispetto ai pazienti adulti, i bambini con psoriasi non hanno mostrato un rischio aumentato di patologie renali.


Psoriasis is a systemic disease with associated comorbidities. An association between renal diseases and psoriasis has previously been reported in adult patients, but little is known about renal diseases in pediatric patients. 

To determine whether there is an association between psoriasis and renal comorbidities in adult and pediatric patients.

This cross-sectional study analyzed the database of the largest health care maintenance organization in Israel. Logistic regression was used to calculate odds ratios to compare 68,836 psoriatic patients and 68,836 controls with respect to renal comorbidities.

In adults, an inverse association emerged between psoriasis and dialysis (OR, 0.69; 95% CI, 0.58-0.83) and kidney transplantation (OR, 0.60; 95% CI, 0.43-0.83), a positive association with other kidney diseases (OR, 1.09; 95% CI, 1.05-1.13), and no association between psoriasis and chronic kidney disease (OR, 1.03; 95% CI, 0.98-1.09). Comparing 9,127 pediatric patients and 9,478 controls, no association was found between psoriasis and renal comorbidities, chronic kidney disease (OR, 0.90; 95% CI, 0.33-2.48), dialysis (OR, 2.06; 95% CI, 0.19-22.69), kidney transplantation (OR, 0.34; 95% CI, 0.04-3.29), or other kidney diseases (OR, 0.98; 95% CI, 0.79-1.23), even after a multivariate analysis adjusting for putative confounders. 

As opposed to adult patients, pediatric patients with psoriasis were not shown at risk of kidney diseases.

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