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【目的】探讨不同美国特种外科医院膝关节功能评分(HSS)及 Kellgren-Lawrance(K-L)分级患者采用关节镜治疗及术后康复治疗的疗效差异,明确关节镜及康复治疗对膝关节骨性关节炎的治疗有效范围。【方法】回顾性分析2010年至2013年在本院实施关节镜清创及术后康复治疗的120例(126膝)患者的临床资料,根据膝关节 H SS评分及K-L分级进行分组,对治疗前后不同分级标准下患者膝关节功能评分变化情况进行比较分析。【结果】术前 H SS>70分的 K-L分级Ⅰ级、Ⅱ级、Ⅲ级患者的治疗后 H SS评分较治疗前均显著的提高(P 0.05)。术前60~69分的K-L分级Ⅰ级、Ⅱ级、Ⅲ级患者的治疗后 HSS评分较治疗前均显著的提高(P 0.05)。术前<60分的 K-L 分级为Ⅱ级的患者的治疗后 HSS评分较治疗前显著的提高(P 0.05)；治疗后 HSS 评分提高率 K-LⅡ级患者显著高于Ⅲ级、Ⅳ级(P 60分或 HSS评分<60分且K-L分级Ⅱ级以上的患者采用关节镜清创及术后康复相结合治疗具有较好的疗效,但是对于 H SS评分 70 and KL grade Ⅰ,grade Ⅱ, or grade Ⅲ significantly increased postoperatively(P 0.05).This pattern was also present in patients with preoperative HHS scores of 60 to 69:HHS scores of patients in KL grade Ⅰ,grade Ⅱ,and grade Ⅲsignificantly increased (P 0.05).HSS scores in patients with preoperative HHS scores <60 in the KL gradeⅡgroup increased significantly postoperatively(P 0.05).After treatment,HSS score increase in the K-L gradeⅡ group was significantly higher than in patients in the K-L grade Ⅲ and Ⅳ groups (P 60 or <60 and KL grade Ⅱ or above,arthroscopic debride-ment and postoperative rehabilitation therapy have a positive effect.However,for patients with preoperative HSS scores <60 and KL grade level Ⅲ or IV,other treatment modalities should be considered.