Table 3. Summary of clinical and operative data of the included studies.
| Study | Levels | ACCF graft material | ACDF graft material | Plate placed over entire construct? | Collar duration |
|---|---|---|---|---|---|
| Ashkenazi 2005 | NR | Titanium mesh | Titanium or carbon fiber | Yes | 8–10 weeks, limited to night and during car travel |
| Wei-bing 2009 | NR | Titanium mesh | Titanium | No, standalone ACDF included | 3 months |
| Liu 2009 | C3–6: 7; C4–7: 5 | Titanium mesh; 2 patients in ACCF group had tricortical autologous iliac crest | PEEK | Yes | 8–12 months preoperatively |
| Guo 2011 | C3–6: 29; C4–7: 24 | Titanium mesh | PEEK | Yes | 3 months |
| Liu Qi 2012 | C2–5: 25; C3–6: 32; C4–7: 39 | Titanium mesh | PEEK | Yes | 3 weeks |
| Liu Hou 2012 | C3–C6: 32; C4–C7: 40 | Titanium mesh | PEEK | Yes | 6–8 weeks |
| Zarate-Kalfopulos 2016 | NR | Fibular graft | NR | Yes | NR |
| Zhou 2017 | C3–6: 13; C4–7: 15 | Titanium mesh | PEEK | No, standalone ACDF included | 3 months |
| Kratzig 2017 | C3–6: 18; C4–7: 38 | Titanium mesh | Titanium | Yes | NR |
| Liu 2017 | C3–6: 59; C4–7: 35 | Titanium mesh: traditional and new version with curved superior endcap and angled inferior endcap | PEEK | Yes | 2 months |
| Sun 2018 | C3–6: 21; C4–7: 17 | Titanium mesh | PEEK | Yes | 2 months |
| Xu 2019 | C3–6: 20; C4–7: 22 | Titanium mesh | Carbon Fiber | Yes | 6–8 weeks |
| Huang 2019 | C3–6: 18; C4–7: 24 | NR | NR | NR | NR |
| Wei 2019 | C3–6: 11; C4–7: 13 | Titanium mesh | PEEK | Yes | 6–8 weeks |
ACDF, anterior cervical discectomy fusion; ACCF, anterior cervical corpectomy fusion; CDA, cervical disc arthroplasty; PEEK, polyetheretherketone; NR, not reported.