Table 1 Overview of included studies in the meta-analyses

^{Tauber, 2009}

^{Prospective cohort study, II}

^{24 (6–144)}

^{37 (24–58)}

^WD

^8/4

^{Type III: 7}

^{Type IV: 2}

^{Type V: 3}

^{Superficial SWI: 1}

^21/22

^{CCR with autogenous STG}

^6/6

^{Type III: 5}

^{Type IV: 3}

^{Type V: 4}

^{Superficial SWI: 0}

^{Kumar, 2014}

^{Retrospective cohort study, III}

³⁹

⁴⁰

^WD

^N/A

^{Type III: 38}

^{Type IV: 8}

^{Type V: 9}

^{Superficial SWI: 3}

^{LOR: 3}

^18/22

^{CCR with Surgilig synthetic ligament}

^N/A

^N/A

^{Superficial SWI: 4}

^{LOR: 1}

^{Hegazy, 2016}

^{Prospective cohort study, II}

^18.2(9–28)

^{27.8 (24–32)}

^WD

^9/1

^{Type III: 10}

^{Superficial SWI: 3}

^{LOR: 3}

^17/22

^{CCR with autogenous STG}

^8/2

^{Type III: 10}

^{Superficial SWI: 4}

^{LOR: 0}

^{Kocaoglu, 2017}

^{Retrospective cohort study, III}

^N/A

^{44.9 (29–60)}

^{WD with dynamic TightRope system}

^14/2

^{Type III:13}

^{Type IV: 2}

^{Type V: 1}

^{Superficial SWI: 1}

^19/22

^{CCR with autologous PLG}

^13/3

^{Type III: 12}

^{Type IV: 2}

^{Type V: 1}

^{Type VI: 1}

^{Superficial SWI: 0}