Table 4

Correlations

A. Correlation between levels of EGFR, IL-6, and IL-10 after surgery and relapses (χ2 test)
PersistenceNo. of relapsesNo. of disease freeP
EGFR15/16 (94%)1/16 (6%)0.0001
IL-611/21 (52%)10/21 (48%)n.s.a
IL-1016/18 (89%)2/18 (11%)<0.05
B. Correlation between EGFR/IL-10 persistence after surgery and relapses (χ2 test)
Persistence of EGFR/IL-10No. of relapsesNo. of disease freeP
1515/15 (100%)0 (0%)0.00001
  • a n.s., not significant.