Ambulation status was evaluated in 34 patients pre- and post-Sofield proced
ure in patients with osteogenesis imperfecta. Three percent had improved am
bulation. 42.4% remained the same and 53.6% were worse. Only 41.2% were amb
ulating postoperatively compared to 73.5% preoperatively. The Sofield proce
dure did not improve ambulation status.