Table 1. Staining intensity, proportion of positive stained cells and staining score of tOPN IHC in cPTC samples.

Staining intensity	n	%	Proportion of positive stained cells %	n	%	OPN Staining Score*	%
Absent	17	38.6	<5%	22	50	0	38.6
						1	2.3
Faint	14	31.8	5-25%	6	13.6	2	15.9
						3	11.4
Moderate	9	20.5	25-50%	4	9.1	4	4.5
						5	13.6
Strong	4	9.1	50-75%	1	2.3	6	11.4
						7	2.3
			75-100%	11	25
Total	44	100		44	100	44	100

^*Staining intensity plus % of positive stained cells