Table V.

Clinical features of patients with thoracic ossification of the posterior longitudinal ligament with or without rs201153092A mutations.

Indices	rs201153092A, n=20	rs201153092G, n=20	P-value
Age, years	56.50±10.88	57.15±8.56	NS
Male/female	8/12	10/10	NS
Continuous	6 (30.0%)	5 (25.0%)	NS
Local	1 (5.0%)	1 (5.0%)	NS
Segmental	3 (15.0%)	4 (20.0%)	NS
Mixed	10 (50.0%)	10 (50.0%)	NS
JOA score	3.79±0.74	3.96±0.86	NS

Data are presented as the mean ± SDs or n (%). NS, not significant; JOA, Japanese Orthopedic Association.