Table 2.

Anterior approach

Authors	Number of patients	Mean follow-up, years	Good/excellent results, %
Dan [4], 1998	476	3.6	89
Ruetten et al. [23], 2008	100	2	94
Dowd and Wirth [5], 1999	84	4.5	981
Gore and Sepic [6], 1984	146	3.3	78
Gore and Sepic [7], 1998	50	21	84
Hamburger et al. [8], 2001	249	12.2	78
Klaiber et al. [13], 1992	61	6.7	87
Hubach [11], 1994	179	10.4	84
Lunsford et al. [15], 1980	253	4	67
Martin et al. [16], 1999	317	2.8	not given
Rao et al. [20], 2008	34	4	76
Wirth et al. [33], 2000	50	4.4	96
Watters and Levinthal [32], 1994	62	6	95
Nandoe Tewarie et al. [18], 2007	456	7	68
Schlosser et al. [25], 2006	219	6.4	not given
van den Bent et al. [31], 1996	81	2	73
Yue et al. [34], 2005	71	7.2	82
Overall	2,888	5.9	80

¹‘Helped’ by the procedure (phone interview).