TABLE 1.

Effects of age on immune parameters determined by correlation analysis

Immune parameterResult (mean ± SD)Pearson correlation coefficientP valuea
Total no. of lymphocytes11,767.06 ± 4,144.6−0.4520.000
% CD3 CD20+ cells29.21 ± 13.20−0.8610.000
% CD3+ CD20 cells56.26 ± 13.180.8560.000
% CD3+ CD4+ cells29.05 ± 7.350.8120.000
% CD3+ CD8+ cells26.05 ± 9.020.6600.000
% CD3+ CD25+ cells1.84 ± 2.490.0240.879
% CD3+ CD28+ cells40.02 ± 6.660.2830.066
sIL-2Rα concn (pg/ml)3,320.00 ± 2,642.78−0.5610.000
sCD30 concn (optical density)0.12 ± 0.140.0100.578
Serum Ig level (optical density)0.86 ± 0.07−0.1500.337
Proliferative activity (optical density)0.98 ± 0.35−0.1420.363
  • a P < 0.01 indicates statistical significance. All P values are two tailed.