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Table 1 The preoperative JOA and VAS scores

From: Comparison of outcomes between conventional lumbar fenestration discectomy and minimally invasive lumbar discectomy: an observational study with a minimum 2-year follow-up

Preoperative scores Group A, mean (SD) Group B, mean (SD) P value (t test)
JOA 11.26 (2.22) 10.19 (1.82) 0.043a
VAS for LBA 4.81 (1.92) 7.33 (0.68) <0.001a
VAS for leg pain 7.23 (1.38) 7.70 (0.67) 0.104
  1. Group A, MLD group; Group B, conventional. aDifference found is significant.