Fig. 4From: Comparison of one-hole split endoscopic discectomy and microendoscopic discectomy in the treatment of lumbar disk herniation: a one-year retrospective cohort studyODI score with follow-up time points. *indicates significant difference. Significantly better ODI scores were detected at 3 days postoperatively in the PTED group (23.4 ± 7.8 vs. 26.8 ± 9.1, P = 0.012)Back to article page