Table 3

Nodal Treg population	Co-culture with nodal effector T cells (n=10)	Co-culture with peripheral effector T cells (n=10)	p value
CD25^inter	24.3 ± 5.0	17.2 ± 4.0	0.15
CD25^high	27.1 ± 4.0	14.1 ± 4.6	0.09
Mean percentage ± S

Table 3: Comparing the percentage of suppression induced by nodal Tregs on the proliferation of autologous nodal and peripheral effector T cells in HNSCC patients.