Because of the diagnostic protocols for this pathology, it is more than feasible that 100% of the children may have had one or two iontophoresis tests. For this reason, we consider that this test was under recorded.
Es más que factible, por el protocolo diagnóstico de esta patología, que 100% de los niños haya tenido una y dos iontoforesis, por lo que se estima, probablemente, que hubo subregistro.