Table 1.

Demographic and clinical feature of patients

Variable	No. (%)
Sex
Male	40 (45.5%)
Female	48 (54.5%)
Side of sinus
Left	73 (83.0%)
Right	11 (12.5%)
Bilateral	4 (4.5%)
History of infection	63 (71.6%)
Age of infection, mean (range) (year)	2.16 ± 1.55
I&Da	44 (69.8%)
Age of operation, mean (range) (year)	2.73 ± 1.71

I&D incision and drainage

^aIn patient with infection