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Table 1 Measurement of T and B cell parameters in young and elderly volunteers.

From: Immune response to pneumococcal polysaccharides 4 and 14 in elderly and young adults. I Antibody concentrations, avidity and functional activity

 

CD4+ T cells GMN (95% CI)

CD8+ T cells GMN (95% CI)

B cells GMN (95% CI)

Total IgG GMC (95% CI)

Normal Range

430 – 1185

180 – 865

25 – 285

591–1540

Young

879 (758–1000)

573 (487–659)

235 (156–314)

838 (757–919)

Elderly

817 (692–942)

396 (303–489)

164 (93–235)

993 (956–1030)

  1. GMC = geometric mean concentration (ug/ml), GMN geometric mean number per ml. There was no significant difference (P>0.05) between young and elderly for all values.
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Immunity & Ageing

ISSN: 1742-4933

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