1. Data Quality Issues: Administrative data may suffer from inaccuracies, missing data, or inconsistencies, affecting the reliability of research findings. 2. Limited Clinical Detail: These systems often lack detailed clinical information, which can constrain the scope of epidemiological studies. 3. Privacy Concerns: The use of administrative data necessitates stringent privacy measures to protect sensitive information. 4. Coding Variations: Variations in coding practices across different institutions can complicate data comparability.
