Table 4.

Correlation analysis of the study population performed for CD56dim and CD56bright cells (age vs. the analyzed parameters)

Compared parameter
Parameter	Stimulation type	SOD2	SIRT1	HSP70intr	HSP70surf	TNF	IFN-γ
CD56dim
Age	none	−0.229	0.289	0.295	ns	0.451	ns
	IL-2	ns	ns	ns	ns	0.499	ns
	LPS	ns	0.409	0.399	ns	0.534	ns
	PMA/ion	0.219	0.263	ns	0.470	0.324	ns
CD56bright
Age	none	−0.228	0.281	0.226	0.239	0.554	ns
	IL-2	ns	ns	ns	ns	0.518	0.241
	LPS	ns	0.417	0.391	0.277	0.621	ns
	PMA/ion	ns	0.235	0.345	0.421	0.439	0.355

All values are presented as statistically significant (p < 0.05) Spearman’s correlation coefficients (R). ‘ns’ denotes statistically not significant

'HSP70^intr' intracellular HSP70, 'HSP70^surf' surface HSP70, 'PMA/ion' PMA + ionomycin