Automated Detection of the Thoracic Ossification of the Posterior Longitudinal Ligament Using Deep Learning and Plain Radiographs

Table 1

Baseline characteristics of the patients.

	Patients	Controls
	146	150
Sex (M/F)	75/71	75/75
Age (years)
Height (cm)
Weight (kg)
Level of thoracic spine
Upper	112	n.a.
Middle	96	n.a.
Lower	33	n.a.
Type of OPLL
Beak	104	n.a.
Continuous	92	n.a.

Values are presented as deviation for each group. n.a.: not applicable.