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Table 3 Comparison of radiological outcomes of the two groups

From: Follow-up results of microendoscopic discectomy compared to day surgery using percutaneous endoscopic lumbar discectomy for the treatment of lumbar disc herniation

Observation variables PELD MED P value
Lumbar lordosis (°) 34.0 ± 10.3 26.9 ± 9.8 <  0.001
Sacral slope (°) 27.5 ± 5.6 23.6 ± 6.8 < 0.001
Disc-height ratio(%) 85.7 ± 6.4 81.9 ± 7.0 0.014
  1. PELD Percutaneous endoscopic lumbar discectomy, MED Microendoscopic discectomy