“…Asterisk excluded were one case report [29] and two studies in which there was no clear distinction made between postoperative complications after acute fractures and nonunions [9, 14]. Seven studies included complicated fractures and made no distinction with uncomplicated fractures when describing complications [3, 8, 15, 18–20, 32]. One study was a surgical technique paper [2], one study only reported outcomes and no complications [28], two studies had no clear definition of indication for surgery [1, 38] and, finally, two studies included different kinds of clavicle fractures (pathological, distal and nonunions) [11, 26]
…”