From: Comparison of bone reamer and trephine for foraminoplasty in percutaneous endoscopic lumbar discectomy based on 3D slicer and Digimizer software
Indicators
Group-R (n = 31)
Group-T (n = 32)
t/X2
P value
Age (year)
48.23 ± 15.78
50.84 ± 17.53
0.595
0.444
Gender
Male
15
19
Female
16
13
0.765
0.382
Segmental
L4/L5
20
12
L5/S1
11
4.598
0.032
Left
17
Right
4.429
0.513