From: Analysis of sagittal profile and radiographic parameters in symptomatic thoracolumbar disc herniation patients
Roussouly Classification
Match/Mismatch (Type I)
Match/Mismatch (Type II)
p value
I
5/0
9/3
–
II
4/7
10/4
III
12/4
7/0
IV
0/4
1/0
Total
21/15
27/7
< 0.001**