Fig. 4From: 15-year survivorship analysis of an interspinous device in surgery for single-level lumbar disc herniationLog-rank test showed that age did not significantly affect the reoperation rate of DIAM implantation for surgery of 1-level lumbar disc herniation (Age < 50 years, 6.8% vs. Age ≥ 50 years 14.3%, p = 0.460)Back to article page