Table 1.

Radiological scores using the Ross grading system.

Groups
Grade	Hemi	Hemi-HA	Lami	Lami-HA
1	35%	59.2%	0%	27.5%
2	36.7%	31.7%	18.3%	51.7%
3	18.3%	5.8%	55%	12.5%
4	8.3%	3.3%	23.3%	6.7%
5	1.7%	0%	3.3%	1.7%
	p < 0.05		p < 0.05