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The letter to the editor discusses the article titled "Agile 3+ and Agile 4 scores predict chronic kidney disease development in metabolic dysfunction-associated steatotic liver disease." The authors of the letter express their interest in the study's findings but note biases in the use of the Cox proportional hazards (CoxPH) model that the authors did not address. They suggest that the authors should consider the potential impact of censoring events and the proportional hazards assumption in their evaluation. The authors also provide recommendations for alternative models that can handle different types of censored data. They conclude by emphasizing the need for further research in this field. [Extracted from the article]