Lumbosacral Transitional Vertebrae in Adolescents: Effects on the Short-Term Outcomes of Percutaneous Endoscopic Lumbar Discectomy
Table 3
Clinical outcome evaluation.
Variable
Group A ()
Group B ()
value
NRS, lower back pain
Preoperative
4.0 (3.0 ~ 4.0)
3.0 (3.0 ~ 4.0)
0.081
18 months postop
0.5 (0.0 ~ 2.0)
0.0 (0.0 ~ 2.0)
0.764
NRS, leg pain
Preoperative
5.0 (5.0 ~ 6.0)
6.0 (5.0 ~ 6.0)
0.156
18 months postop
0.0 (0.0 ~ 0.0)
0.0 (0.0 ~ 0.0)
0.213
ODI
Preoperative
34.2 (28.4 ~ 39.6)
34.2 (28.8 ~ 37.8)
0.874
18 months postop
7.2 (3.6 ~ 16.2)
12.6 (5.9 ~ 16.2)
0.117
MacNab grading system, (%)
1.000+
Excellent/good
12/8 (90.9)
22/19 (93.2)
Fair/poor
0/2 (9.1)
0/3 (6.8)
Additional lumbar surgery, (%)
2 (9.1)
3 (6.8)
1.000+
Recurrence
1
1
A new lumbar disc herniation
1
2
Postoperative pain occurred, (%)
0.541+
Hip pain
0
2 (4.5)
LBP
8 (36.4)
13 (29.5)
Leg pain
0
0
Pain in back and leg
4 (18.2)
6 (13.6)
Values are presented as Md (), or number (%). NRS: numerical rating scale; ODI: Oswestry Disability Index. Mann–Whitney test. +Pearson’s chi-square test or Fisher’s exact test.