Table 5.

Pair wise comparison of oral squamous cell carcinoma clinical stages with respect to serum pyruvic acid levels by Tukey multiple post hoc procedures

Clinical stages	T1	T2	T3	T4
Mean	1.63	2.54	3.26	3.89
SD	0.22	0.27	0.45	0.12
T1	-
T2	P=0.0002*	-
T3	P=0.0002*	P=0.0008*	-
T4	P=0.0002*	P=0.0002*	P=0.0277*	-

*P<0.05