For the entire study, the alpha risk was set at equal to or lower than 5%, and beta risk at equal to or lower than 20%.
Se tomó en consideración para todo el estudio un riesgo alfa menor o igual al 5%, y riesgo beta de menor o igual al 20%.
Foi considerado para todo o estudo risco alfa menor ou igual a 5%, e risco beta de menor ou igual a 20%.