TABLE 1.

Surgery Rates After Bracing Treatment

Author	Year	Level of Evidence	Cobb Angle of Sample (degrees)	Surgical Rate (%)
Fernandez-Feliberti et al2	1995	III	<30 with progression, or 30–40	26
Miller et al3	1984	III	<30	5
Allington and Bowen10	1996	IV	<40	31
Emans et al11	1986	IV	20–59	12
Howard12	1998	IV	19–54	18
Karol13	2001	IV	Boys only	46
Katz et al14	1997	IV	25–45	16
Katz and Durrani15	2001	IV	36–45	31
Korovessis et al16	2000	IV	25–44	13
Little et al17	2000	IV	25–45	43
Piazza and Bassett18	1990	IV	20–39	20
Spoonamore et al19	2004	IV	25–44	30
Upadhyay et al20	1995	IV	20–45	18
Weiss21	2001	IV	33 (average)	7
Wiley et al22	2000	IV	35–45	38