The efficacy of anchored stand-alone spacers in comparison to conventional cage and plate in anterior cervical discectomy and fusion surgery: A meta-analysis of randomised controlled trials for clinical and radiological outcomes.

Comparatively, stand-alone spacers had a lower amount of postoperative complications (27/166, 16.3% vs 38/168, 22.6%; RR:0.74) versus conventional instrumentation, however this did not reach statistical significance (p = 0.15).

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Overall, operative time was notably shorter with stand-alone spacer placement (SMD: 0.67; 95% CI: 1.31,-0.02; p = 0.05) which depicted borderline significance, as outlined in Fig. 5 . b.

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