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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.