Table 3.

Gray values of PAR expression in sample tissues

Gene	Cancer tissue	Normal tissue	t	P
PAR4	0.18±0.05	0.42±0.12	9.77	0.0001**
PAR2	0.84±0.28	0.69±0.25	7.97	0.039*
PAR1	0.74±0.31	0.58±0.21	2.26	0.027*

^*: P<0.05; ^**: P<0.01.