. 2013 Sep 7;22(10):2176–2183. doi: 10.1007/s00586-013-2987-y

Table 1.

Characteristics of the included studies

Study	Group	Number	Age (years)	Gender		Fracture level						Lost	Follow-up duration (months)	QAS
Study	Group	Number	Age (years)	Male	Female	~T10	T11	T12	L1	L2	L3~	Lost	Follow-up duration (months)	QAS
Lin et al. [29]	Anterior	32	38	14	18	0	3	10	14	5	0	0	45 (24–72)	22
Lin et al. [29]	Posterior	32	39	16	16	0	2	9	17	4	0	0	45 (24–72)	22
Stancic [25]	Anterior	13	36	7	6	0	0	1	10	2	0	0	>12	20
Stancic [25]	Posterior	12	35	8	4	0	0	2	9	2	0	0	>12	20
Sasso et al. [28]	Anterior	40	37	29	11	0	38				2	3	31 (9–89)	13
Sasso et al. [28]	Posterior	13	34	10	3	0	0	4	6	2	1	0	31 (9–89)	13
Wood et al. [26]	Anterior	22	38	12	8	0	1	1	10	8	0	2	44 (24–108)	21
Wood et al. [26]	Posterior	21	42	13	5	0	0	4	11	3	0	3	44 (24–108)	21
Esses [23]	Anterior	18	34	25	15	1	0	5	22	9	3	2	20 (12–34)	19
Esses [23]	Posterior	22	34	25	15	1	0	5	22	9	3	0	20 (12–34)	19
Hitchon et al. [27]	Anterior	38	42	26	12	0	1	13	18	6	0	0	33 (6–96)	10
Hitchon et al. [27]	Posterior	25	42	19	6	0	1	3	12	9	0	0	33 (6–96)	10
Danisa et al. [24]	Anterior	16	35	11	5	0	0	1	13	2	0	0	27 (6–54)	12
Danisa et al. [24]	Posterior	27	38	19	8	0	0	8	16	3	0	0	27 (6–54)	12