Table 3. Concordance of Gut vs. Blood CTL responses.

Subject number	Correlation coefficienta	p value
160	0.1189	0.396
542	0.8322	1.142 E-14
608	0.7069	3.283 E-09
648	0.8393	4.163 E-15
650	0.8762	8.485 E-18
674	0.8614	1.268 E-16
677	0.0467	0.739
712	0.7992	7.267 E-13

^aPearson coefficient, R, calculated using regression analysis with

least-squares fit. Total IFN-gamma SFC from blood and gut were compared.