Both anterior cervical discectomy (ACD) and anterior cervical discectomy with fusion (ACDF) are equivalent treatment strategies for 1-level disease with regard to functional outcome (Class II).

• 结果：前路椎间盘切除术(ACD)及前路椎间盘切除加融合术(ACDF)对1期疾病的功能恢复同样有效(II级证据)。