Table 3.

Relationship between clinical and pathological variables with protein expression

VariableMRP1+MRP1−PP-gp+P-gp−PGSTπ+GSTπ−P
Histotype0.210.430.06
 UPS7%93%58%42%8%92%
 Synovial S22%78%74%26%32%68%
 Other11%89%66%34%24%76%
Location0.600.650.39
 Lower limbs13%87%66%34%23%77%
 Upper limbs13%87%56%43%9%90%
 Trunk wall0%100%71%29%17%83%
Size0.160.780.08
 5–9.9 cm4%96%54%46%32%68%
 ≥10 cm14%86%57%43%14%86%
Response0.150.020.05
 PR5%95%32%68%6%94%
 SD10%90%65%35%20%80%
 PD33%67%83%17%50%50%

Abbreviations: UPS, undifferentiated pleomorphic sarcoma; PR, partial response; SD, stable disease; PD, progressive disease.