Table 3.

Comparison with published results

Results	Cases	Excellent/good
Gupta et al. (2007)	63	74%
Kumar et al. (2005) [14]	73	75%
Deo et al. (2001) [4]	74	74%
Fica et al. (1998) [5]	84	68%
Rommens et al. (1997) [24]	175	76%
Matta (1996) [21]	255	76%
Mayo (1994) [22]	163	75%
Heeg et al. (1990) [8]	54	61%