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Table 3 Sub-cohort and case group Wave 1 HHV-8 seropositivity, by age and Wave 1 PSA result

From: A case-cohort study of human herpesvirus 8 seropositivity and incident prostate cancer in Tobago

   Cases Sub-cohort
Age years PSA ng/mL   HHV-8 positive   HHV-8 positive
   n n % n n %
40-49 All 12 0 0.0 200 7 3.5
50-59 All 37 4 10.8 110 15 13.6
≥ 60 All 47 13 27.7 105 24 22.9
All < 4 70 12 17.1 392 39 9.9
All ≥ 4 26 5 19.2 23 7 30.4
40-49 < 4 12 0 0.0 197 6 3.0
50-59 < 4 26 3 11.5 102 14 13.7
≥ 60 < 4 32 9 28.1 93 19 20.4
40-49 ≥ 4     3 1 33.3
50-59 ≥ 4 11 1 9.1 8 1 12.5
≥ 60 ≥ 4 15 4 26.7 12 5 41.7
  1. PSA - prostate-specific antigen, DRE - digital rectal examination, HHV-8 - human herpesvirus 8