Fibroblast Activation Protein Expression in Sarcomas

Table 2

FAP scores.

Sample type	Positive FAP staining	Average FAP intensity score	FAP overall score
Tumor samples	Stromal cells: 49 of 63 (77.7%); Tumor cells: 32 of 63 (50.7%)	Stromal cells: 2.0; Tumor cells: 1.5	(i) None detected in 3 of 63 (4.7%); (ii) Low in 23 of 63 (36.5%); (iii) Medium in 23 of 63 (36.5%); (iv) High in 14 of 63 (22.2%)
Normal samples	Stromal cells: 11 of 30 (36.7%); Nonstromal cells: 0 of 30 (0%)	Stromal cells: 0.96; Nonstromal cells: 0.3	(i) None in 11 of 30 (36.7%); (ii) Low in 18 of 30 (60%); (iii) Medium in 1 of 30 (3.3%); (iv) High in 0 (0%)