It was felt that these results were due to the way the answer options were drafted that had to be rephrased for many patients 5 of 7 who were unable to read because of their visual impairment.
Se consideró que este resultado se debió a la redacción de las opciones de respuesta que había que repetirlas a algunos pacientes 5 de 7 ya que por sus limitaciones visuales no las podían leer.