Unjustified variations would be ones appearing when all the above-cited factors have already been controlled and that bring no benefits, are detrimental for the patients and lead to a poor quality of health care .
Las variaciones injustificadas serían aquellas que aparecen una vez controlados los factores antes citados y que no aportan beneficios, son perjudiciales para los pacientes e implican una asistencia sanitaria de mala calidad.