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

Table 6

The likelihood of spinal cord injury (AIS grades A-D) at the initial and final assessment and showing no improvement.

Variable	Initial assessment		Final assessment		No improvement
	OR	value	OR	value	OR	value
Spinal cord cross-sectional area	5.06 (0.12 to 15.34)	0.13	4.35 (0.24 to 13.17)	0.15	5.29 (0.17 to 18.35)	0.08
Spinal cord sagittal diameter	12.44 (3.55 to 86.33)	<0.01	8.65 (2.01 to 45.76)	<0.01	10.56 (0.65 to 73.56)	0.76
Spinal cord	7.83 (1.67 to 27.60)	<0.01	5.36 (1.05 to 15.36)	0.02	6.78 (0.64 to 43.17)	0.12
Preoperative sagittal Cobb	1.56 (0.29 to 8.69)	0.45	1.70 (0.32 to 9.43)	0.38	1.49 (0.21 to 8.77)	0.71
	3.54 (0.43 to 21.34)	0.38	3.21 (0.55 to 19.37)	0.43	3.67 (0.66 to 24.36)	0.56
Age per year	1.02 (0.05 to 5.38)	0.83	1.13 (0.12 to 7.87)	0.76	1.20 (0.09 to 12.34)	0.54
Time to spinal deformity per year	1.07 (0.65 to 1.23)	0.67	1.21 (0.76 to 1.53)	0.65	1.13 (0.67 to 1.47)	0.29
Spinal cord signal change	1.32 (0.12 to 11.23)	0.33	1.29 (0.04 to 13.20)	0.59	1.38 (0.15 to 14.87)	0.
Kyphosis correction	-	-	-	-	3.23 (0.68 to 23.45)	0.25
Intraoperative neuromonitoring	-	-	-	-	7.45 (0.56 to 16.75)	0.34
Estimated  ml	-	-	-	-	1.56 (0.07 to 13.56)	0.58
Operation  min	-	-	-	-	2.57 (0.43 to 24.56)	0.46

The values are given as the OR, with the 95% CI in parentheses.