Table 1.

Copy number alteration of GAA1, PIG-T and PIG-U in HNSCC

DNA Copy Number Ratio		Number	Mean	Median	95%CI	p (paired-t test)
Log (GAA1/β-Actin)	Control	28	0.40	0.35	(0.30, 0.50)	0.001
	HNSCC	28	0.63	0.59	(0.50, 0.76)
Log (PIG-T/β-Actin)	Control	28	0.34	0.28	(0.24, 0.45)	0.365
	HNSCC	28	0.40	0.43	(0.30, 0.50)
Log (PIG-U/β-Actin)	Control	28	0.59	0.45	(0.46, 0.72)	0.058
	HNSCC	28	0.74	0.64	(0.61, 0.87)