<prompt> Radiological factors indicating an unstable pelvis are all except:Posterior sacroiliac complex displacement by 1 cmAvulsion fracture of sacral or ischial end of the sacrospinous ligamentAvulsion fractures of the L5 transverse processIsolated disruption of pubic symphysis with pubic diastasis of 2 cm  <response>: Radiographic factors indicating unstable pelvis are: Posterior sacroiliac complex displacement 1cm Avulsion fracture of sacral or ischial end of the sacrospinous ligament. Avulsion fractures of the L5 transverse process Disruption of pubic symphysis with pubic diastasis of 2 cm with posterior pelvic injury or injury to anterior posterior sacroiliac ligament or sacrospinous ligaments. Presence of gap rather than impaction in the posterior pelvic ring. 