Surgical Procedures Used for Correction of Scheuermann’s Kyphosis: A Meta-Analysis

Table 2

Characteristics of included studies.

Study	Country	Study design	Follow-up (months)		Age (yrs)		Sex		No. of patients
			AP	PO	AP	PO	M	F	AP	PO
Dikici et al. [5]	Turkey	Retrospective	—	36	—	18.6 ± 3.4	20	19	—	39
Riouallon et al. [6]	France	Retrospective	57	57	Overall: 23 ± 10		81	50	64	67
Cobden et al. [4]	Turkey	Retrospective	—	41	—	19 (15–36)	18	2	—	20
Graat et al. [18]	Netherlands	Cohort study	216	216	Overall: 44 ± 8		—	—	16	13
Etemadifar et al. [16]	Iran	Prospective	69.6	45.6	20.9 ± 5.3	19.3 ± 2.7	20	10	16	14
Faldini et al. [17]	Italy	Retrospective	—	25.2	—	19.6 (13–24)	—	—	—	20
Koller et al. [10]	Germany/US	Matched-pair study	—	—	23.6 ± 11.4	20.7 ± 10.4	—	—	46	46
Koller et al. [19]	Germany	Retrospective	24	—	23.6 ± 10.8	—	74	37	111	—
Behrbalk et al. [14]	UK	Retrospective	—	≥24	—	22 ± 8	8	2	—	10
Behrbalk et al. [14]	UK	Retrospective	—	≥24	—	19 ± 6	10	1	—	11
Temponi et al. [21]	Brazil	Case-control	37.5	22.8	19	27.3	22	6	19	9
Tsutsui et al. [22]	US	Retrospective	—	—	15.1 (13–17)	14.8 (11–19)	13	9	11	11
Dasilvaherrero et al. [15]	Brazil	Retrospective	—	65.8 ± 39.92	—	16.8 ± 2.89	7	3	—	10
Koptan et al. [20]	Egypt	Retrospective	≥24	≥24	16 ± 0.7	15 ± 0.6	12	21	17	16

AP, combined anterior-posterior approach; PO, posterior-only approach; OP, operation; M, male; F, female.