Table 7.

Clinical outcome of discectomy with fusion as reported in the literature

Study	Year	No. patients	Agea (years)	Follow-up perioda (years)	Success rate (%)
Kuh et al. [41]	2005	26	18.4 (10–20)	N/A (1–4)	94
Ebersold et al. [21]	1987	14	15 (11–16)	Immediately post-op	86
Leong et al. [50]	1982	20	N/A (<20)	4.3 (N/A)	95
Grobler et al. [4]	1979	23	N/A (14–20)	5.3 (N/A)	89

N/A Not available

^aThe values are given as the means, with the ranges in the parenthesis