There were two 11% detachments of the connection of the rod with the iliac screw, two 11% cases of lysis of the iliac screws Figure 2, and one case 5.5% with both detachment and lysis of the screws.
Hubo dos desanclaje 11% de la conexión de la barra con el tornillo ilíaco, dos 11% lisis de los tornillos iliacos Figura 2 y un caso 5,5% presento conjuntamente desanclaje y lisis de tornillos.