Table 4.

The effects of clinical parameters on copy number of PIG-U

Log (PIG-U/β-Actin)		Number	Mean	Median	95%CI	p (Mann-Whitney test)
Control	Male	20	0.56	0.43	(0.39, 0.72)	0.476
	Female	8	0.66	0.68	(0.41, 0.92)
HNSCC	Male	20	0.65	0.62	(0.51, 0.80)	0.053
	Female	8	0.95	0.97	(0.66, 1.24)
Control	White	17	0.56	0.43	(0.40, 0.71)	0.655
	Other	11	0.64	0.59	(0.38, 0.89)
HNSCC	White	17	0.69	0.68	(0.53, 0.86)	0.466
	Other	11	0.81	0.64	(0.56, 1.06)
Control	OC	11	0.57	0.41	(0.29, 0.86)
	HP	3	0.57	0.43	(-0.05, 1.19)	0.484
	L	5	0.62	0.59	(0.27, 0.96)	0.533
	OP	9	0.59	0.43	(0.36, 0.82)	0.470
HNSCC	OC	11	0.83	0.80	(0.57, 0.10)
	HP	3	0.68	0.54	(-0.45, 1.81)	0.586
	L	5	0.67	0.57	(0.19, 1.16)	0.396
	OP	9	0.69	0.64	(0.51, 0.86)	0.425