Table 4.

Comparison of the local lumbar and lumbosacral deformity angle

		Kyphosis angle(°)			Angle correction		Correction loss (°)
Group	n
		Pre	Post	FFU	Post (°)	Rate (%)
A1k	20	16.8 ± 8.5	3.8±1.5	5.1 ± 1.6	13.1 ± 7.6	74.9 ± 11.8	1.3 ± 0.6
B1k	16	17.5 ± 8.3	4.3±1.8	5.5 ± 1.8	13.2 ± 7.2	72.0 ± 11.9	1.2 ± 0.6
P value		P = 0.806	P = 0.355	P = 0.460	P = 0.957	P = 0.469	P = 0.597
		Lordotic angle (°)
		Pre	Post	FFU
A1l	10	9.7 ± 8.8	16.9 ± 6.0	15.9 ± 6.0	7.1 ± 4.1	47.8 ± 27.2	0.9 ± 0.4
B1l	10	10.5 ± 7.6	18.1 ± 3.4	17.3 ± 3.7	7.6±5.1	46.4 ± 32.8	0.9 ± 0.3
P value		P = 0.831	P = 0.565	P = 0.554	P = 0.818	P = 0.915	P = 0.847
		Lumbosacral angle (°)
		Pre	Post	FFU
A2	12	13.4 ± 6.8	19.4 ± 4.3	18.7 ± 4.4	6.0 ± 3.4	34.3 ± 21.5	0.7 ± 0.3
B2	14	13.7 ± 6.2	20.0 ± 3.4	19.3 ± 3.2	6.3 ± 3.2	34.1 ± 20.9	0.8 ± 0.3
P value		P = 0.884	P= 0.676	P = 0.703	P = 0.832	P = 0.985	P = 0.611

Pre preoperative, post postoperative immediately, FFU final follow-up

A1_k and B1_k: the cases with a local lumbar kyphosis angle in lesions

A1_l and B1_l: the cases with a local lumbar lordotic angle in lesions