Predictive Factors for Late-Onset Neurological Deficits in Patients with Posttuberculous Thoracic Kyphosis

Table 5

Imaging measurements of the two groups of patients.

	Asymptomatic group	Symptomatic group	value
Spinal cord cross-sectional area ratio (%)			0.43
Spinal cord sagittal diameter ratio (%)			<0.01
Spinal cord angle (°)			<0.01
Preoperative sagittal Cobb angle (°)			0.23
Postoperative sagittal Cobb angle (°)	-		-
S-DAR (°)			0.10
Segments involved			0.85
Spinal cord signal change	6	23	0.79
Levers of apex			0.74