Table 5.

Confounding variables (metastasis).

Confounding variables		Metastasis cases [n (%)]	Non-metastasis cases [n (%)]	P
Age	Mean ±SD (year)	15.59±3.65	16.02±3.10	0.096
Gender	Male	21 (52.50)	110 (59.46)	0.401
	Female	19 (47.50)	75 (40.54)