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