Table II.

Cytokine production in stimulated T cells of caregivers and controls^a

Type of Cytokine	Control	Caregiver	p Valueb	n
IL-2	164.7 ± 23.6	181.3 ± 20.6	0.26	34
IL-4	0.2 ± 0.02	0.2 ± 0.02	0.12	37
IL-6	7.5 ± 2.3	6.2 ± 1.8	0.27	37
IL-8	662 ± 140	504 ± 70	0.09	37
GM-CSF	3.0 ± 0.4	3.1 ± 0.4	0.37	37
IFN-γ	15.1 ± 1.5	14.0 ± 1.4	0.25	37

^aThe concentrations of cytokines are micrograms per milliliter. Data are presented as mean and SEM (n = 37, 34).

^bStatistical analysis was done by the paired Student t test.