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El objetivo de este estudio es definir mejor la relación entre la piuria y el crecimiento bacteriano positivo en el cultivo de orina, así como la utilidad diagnóstica de diferentes puntos de corte de leucocituria. El resultado apoya la recomendación actual contra el tratamiento antibiótico basado únicamente en el análisis de orina. La piuria por sí sola no proporciona una precisión diagnóstica adecuada para predecir la bacteriuria. El recuento de leucocitos en orina superior a 25 células/campo resultó ser el punto de corte óptimo para detectar la bacteriuria. This study aims to further define the relationship of pyuria and positive bacterial growth in urine culture, as well as the diagnostic utility of different urine white blood cell cutoff points. The result of this study supports the current guideline recommendation against antibiotic treatment based on urine analysis alone. Pyuria alone provides inadequate diagnostic accuracy for predicting bacteriuria. Urine white blood cell count greater than 25 cell/hpf was found to be the optimal cutoff to detect bacteriuria.