One patient who was randomized and received arthroscopic surgery and later became a candidate for surgery on his other dislocating shoulder declined randomization in favor of arthroscopy.

• 一位病患原本被随机分派接受关节镜手术，但是之后他的对侧肩膀却因故接受了传统手术，而降低了关节手术比较好的倾向。