Why are orthopedists more prone to get sued?

Orthopedics Today: “The communication skills of orthopedic surgeons, defined as the ability to convey important procedural concepts to the patient, is generally lower than that of other medical specialists. The articles also verify the long-standing notion that orthopedic surgeons tend to experience more, though less severe, malpractice claims than other specialists such as obstetrician-gynecologists.”