At 1-year follow-up , the US needling group had significantly better scores than the ESWT group with regard to the American Shoulder and Elbow Surgeons assessment ( 90.3 and 74.6 , respectively ; P = .001 ) , Simple Shoulder Test ( 83.3 and 70.8 , respectively ; P = .015 ) , and visual analog scale for pain ( 1.4 and 3.3 , respectively ; P = .003 ) .