More preoperative flexibility implies adequate neural pliability for curve correction without prophylactic untethering in scoliosis patients with asymptomatic tethered spinal cord, a retrospective study

Table 2 The radiographic parameters of preoperative, postoperative and follow up

Case	Sex	Age (years)	Location of the major curve	AV	AVT (mm)			AVR	Risser score	Pre-OP Cobb (°)	Bending Cobb (°)	Flexibility	Fulcrum Bending Cobb (°)	EX-CR	Post-op Cobb (°)	OP-CR	Visit Cobb (°)	Final CR
Case	Sex	Age (years)	Location of the major curve	AV	Pre-OP	Post-OP	Final	AVR	Risser score	Pre-OP Cobb (°)	Bending Cobb (°)	Flexibility	Fulcrum Bending Cobb (°)	EX-CR	Post-op Cobb (°)	OP-CR	Visit Cobb (°)	Final CR
1	F	16	MT	T7	68	32	34	0	5	46	29	37.0%	27	41.3%	32	30.4%	30	34.8%
2	F	13	PT	T4	85	40	36	0	4	67	38	43.3%	30	55.2%	28	58.2%	30	55.2%
3	M	16	MT	T8	54	18	17	2	4	68	41	39.7%	36	47.1%	31	54.4%	36	47.1%
4	F	14	MT	T10	46	19	16	0	4	49	26	46.9%	22	55.1%	19	61.2%	21	57.1%
5	F	11	MT	T8	61	36	40	1	1	54	25	53.7%	20	63.0%	18	66.7%	18	66.7%
6	F	16	TL	T12	73	33	39	3	5	44	25	43.2%	18	59.1%	14	68.2%	14	68.2%
7	M	15	TL	T12	66	12	10	0	1	62	40	36.5%	30	51.6%	23	62.9%	20	67.7%
8	M	16	MT	T8	50	26	28	2	5	74	30	59.5%	30	59.5%	32	56.8%	32	56.8%
9	F	17	MT	T6	65	21	24	1	5	82	40	51.2%	34	58.5%	29	64.6%	25	69.5%
10	F	16	L	L2	58	20	25	0	5	54	31	42.6%	29	46.3%	20	63.0%	15	72.2%
11	F	15	TL	T12	96	34	32	2	4	78	49	37.2%	36	53.8%	30	61.5%	18	76.9%
12	M	16	L	L3	42	27	30	3	4	48	28	41.7%	28	41.7%	26	45.8%	20	58.3%
13	F	14	MT	T6	52	22	22	1	4	52	35	32.7%	28	46.2%	20	61.5%	20	61.5%
14	F	16	PT	T12	46	20	21	0	5	46	24	47.8%	24	47.8%	26	43.5%	25	45.7%
15	M	9	PT	T3	55	23	23	0	1	54	35	35.2%	31	42.6%	20	63.0%	22	59.3%
16	F	16	L	L2	45	29	33	2	5	49	32	34.7%	22	55.1%	16	67.3%	16	67.3%
17	F	15	MT	T9	74	37	38	0	5	66	36	45.5%	27	59.1%	21	68.2%	19	71.2%
AVG		14.8			60.9	26.4	27.5			58.4	33.1	42.9%	27.8	51.9%	23.8	58.6%	22.4	60.9%

(Note: MT Main thoracic, PT proximal thoracic, TL thoracolumbar, L lumbar, AV apical vertebrae, AVT apical vertebral translation, AVR apical vertebral rotation, Pre-OP Cobb preoperative Cobb’s angle, Bending Cobb Cobb’s angle in reverse bending film, Flexibility (pre-OP Cobb –bending Cobb)/pre-op Cobb, EX-CR expected correction rate = (pre-OP Cobb –fulcrum bending Cobb)/pre-OP Cobb, OP-CR operative correction rate, Final CR final correction rate, AVG = average.)

ISSN: 1471-2474