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

Table 3

AIS grade conversion from preoperative evaluation to final assessment.

Initial AIS grade	Final AIS grade
	A	B	C	D	E
A	2	1	0	0	0
B	0	4	2	2	0
C	0	0	12	5	2
D	0	0	0	17	13

Data were based on 60 patients from the symptomatic group.