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Table 2 Numbers and percentages of NK and NK-related subsets categorised by KIR A and B Haplotypes for Octo/Nonagenarians from the Belfast Elderly Longitudinal Free-Living Ageing STudy (BELFAST) with comparisons by Students t-test or Mann–Whitney U

From: Killer Immunoglobulin-like Receptors (KIR) haplogroups A and B track with Natural Killer Cells and Cytokine Profile in Aged Subjects: Observations from Octo/Nonagenarians in the Belfast Elderly Longitudinal Free-living Aging STudy (BELFAST)

 

KIR A

KIR B

t-test/mwu ω

Wcc x10 6

6.9 ±1.6(19)

7.1±2.5(54)

0.76

NK CD3-16+56+ct

0.48±0.31(19)

0.33±0.18(46)

0.003*

NK CD3-16+56+%

23.4±9.5(21)

18.4±9.9(48)

0.016*

CD57+CD8+ct

0.24 [0.7–1.6](7)

0.30 [0.3–0.8](22)

0.58ω

CD57+CD8+%

13 [5–25](7)

18 [3–45](22)

0.28ω

CD57+CD8( high )+ct

0.13 [0.03–0.17](7)

0.16 [0.01–0.53](19)

0.58ω

CD57+ CD8( high )+%

5.0 [2–6](7)

8.0 [1–21](19)

0.54ω

CD57+ CD8( low )+ct

0.16 [0.03–0.25](7)

0.17 [0.09–0.19](19)

0.58ω

CD57+ CD8( low )+%

6.0 [8–15](7)

11.0 [1–40](19)

0.37ω

  1. Wcc white cell count.
  2. Mean ± Standard Deviation, Subject nos (), Students t-test t-test, *p<0.05 is significant.
  3. Median and range, Subject nos (), Mann Whitney-U mwu ω.