Table 2.

Factors associated with types of surgical operation (N = 584)

		Total	Wide surgical excision	WSE graft or flap	Amputation	p value
Size	Small, 5 cm	491	472	0	19	< 0.01
	Moderate, 5–10 cm	35	7	21	7
	Big, more than 10 cm	35	2	11	45
X-ray	Bone involve	101	0	30	71	< 0.01
	Bone not involve	483	481	2	0
Sinus	Yes	461	358	32	71	< 0.01
	No	123	123	0	0
Total		584	481	32	71