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Table 1 Absolute number of γδ T cells, Vδ1 T cells, and Vδ2 T cells, in young/adult and old healthy subjects and melanoma patients.

From: Circulating γδ T cells in young/adult and old patients with cutaneous primary melanoma

  Absolute number
Donors γδ T cells Vδ1 T cells Vδ2 T cells Vδ2/Vδ1 ratio
Healthy     
Young/adult 115.2 ± 39.3a 38.0 ± 11.9 82.6 ± 34.0 2.2
Old 62.1 ± 28.7* 35.9 ± 11.7 37.7 ± 24.6* 1.0
Melanoma     
Young/adult 74.5 ± 25.3* 31.9 ± 18.1 42.8 ± 9.8* 1.3
Old 52.9 ± 38.0* 20.6 ± 3.7 33.5 ± 31.2* 1.6
  1. a Data are expressed as mean ± S.D. of the number of cells per mm3 in the peripheral blood.
  2. *p at least <0.01 versus young/adult healthy subjects