“…was decisive. Seven articles were considered relevant 7,[13][14][15]17,19,20 (and 8 were not [8][9][10][11][12]16,18,21 ). Of all articles related to shoulder impingement, 10 were scored as "in favor of surgery" [10][11][12][13][14][15][16][17]19,20 ; none, "not in favor of surgery"; and 5, "inconclusive."…”