Table 3.

Proportions of Patients with Detectable Dengue-specific CD8⁺ T cell Cytokine Production from Presecondary Infection PBMCs for Subclinical and Symptomatic Groups

		No. of responders: no. of nonresponders
Cytokine	Antigen	Subclinical samples	Symptomatic samples	P (by Fisher's exact test)
TNFα	D1	14:3	3:7	.01
	D2	11:6	6:4	>.99 (NS)
	D3	4:13	3:7	>.99 (NS)
	D4	15:2	8:2	.59 (NS)
IFNγ	D1	3:14	3:7	.64 (NS)
	D2	4:13	4:6	.41 (NS)
	D3	6:11	1:9	.20 (NS)
	D4	6:11	0:10	.06
IL-2	D1	3:14	1:9	>.99 (NS)
	D2	11:6	3:7	.12 (NS)
	D3	7:10	2:8	.41 (NS)
	D4	7:10	1:9	.19 (NS)

NOTE. NS, not statistically significant difference in proportions.