Larsen E, Johansen J
Acta Orthop Scand. 1986 Apr;57(2):168-70. doi: 10.3109/17453678609000894.
Thirty-one snapping hips in 24 patients were followed for 4 (1-11) years after operation. At follow-up, snapping persisted in nine hips, in three cases accompanied by pain. The femoral neck angle was less in the patients (128 degrees) than in a control group (134 degrees).
24例患者的31例弹响髋在术后随访了4（1 - 11）年。随访时，9例髋关节仍有弹响，其中3例伴有疼痛。患者的股骨颈角度（128度）小于对照组（134度）。
