Table 4.

Spearman correlation between T-cell response and anti-S IgG titre at T12.

	≤65 years (Anti-N IgG NEG)		≤65 years (Anti-N IgG POS)			>65 years (Anti-N IgG NEG)		>65 years (Anti-N IgG POS)
	Rs*	P VALUE	Rs	P VALUE		Rs*	P VALUE	Rs	P VALUE
CD4 IFNγ	-0.09	0.60	0.05	0.85	CD4 IFNγ	0.31	0.12	0.75	0.007
CD4 IL-2	-0.16	0.36	0.23	0.35	CD4 IL-2	0.14	0.47	-0.35	0.28
CD4 TFNα	-0.16	0.36	0.28	0.24	CD4 TFNα	0.29	0.13	-0.03	0.94
CD8 IFNγ	-0.02	0.90	0.08	0.41	CD8 IFNγ	-0.04	0.83	-0.09	0.79
CD8 IL-2	-0.02	0.90	0.59	0.007	CD8 IL-2	-0.13	0.50	-0.84	0.002
CD8 TFNα	-0.17	0.31	-0.09	0.70	CD8 TFNα	-0.01	0.94	-0.20	0.55

*Spearman’s rank correlation coefficient of the correlation between cytokine positive CD4/CD8 cells and Anti-S IgG at T12.