Trends and diagnostic challenges in pediatric schizophrenia spectrum disorders in Poland (2014–2019): A nationwide register-based study in an international context

February 16, 2026Psychiatria PolskaOpen Access

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Key Points

The study analyzes nationwide trends in diagnoses, hospitalizations, and financial indices for pediatric schizophrenia spectrum disorders in Poland from 2014-2019.
Conducted a retrospective analysis of hospitalization data from 2014 to 2019
Included 9,034 patients aged 0–17 with schizophrenia spectrum disorders
Focused on age-specific trends and diagnostic practices in Poland
A total of 9,034 hospitalizations were recorded for schizophrenia spectrum disorders from 2014-2019
Code F20 was predominantly used, while F21 and F25 were rarely utilized
Younger patients, especially those aged 13-14, showed a notable increase in diagnoses
Despite stable hospitalization rates, service utilization decreased while total reimbursements increased
Diagnostic uncertainties and potential overuse of code F20 were identified, reflecting systemic issues in pediatric practice

Nationwide register-based study reveals diagnostic uncertainties and trends in pediatric schizophrenia spectrum disorders in Poland.

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Krzyściak et al. (2026) studied this question.

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