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Table 4 H. pylori positivity of 89 Rhesus macaques by age a

From: Serologic host response to Helicobacter pylori and Campylobacter jejuni in socially housed Rhesus macaques (Macaca mulatta)

Group 1 – Infants (0.5-0.9 years) (n = 27)
  IgG + b CagA+ IgG+/CagA+ IgG+/cagA- IgG-/CagA+ IgG-c
Total # 10 6 2 5 4 17
% 37 22 7 16 15 63
Group 2 – Juvenile (1.0-2.9 years) (n = 24)
  IgG + b CagA+ IgG+/CagA+ IgG+/cagA- IgG-/CagA+ IgG-c
Total # 13 11 8 2 3 11
% 54 46 33 8 13 46
Group 3 – Young adult (3.0-9.9 years) (n = 21)
  IgG + b CagA+ IgG+/CagA+ IgG+/cagA- IgG-/CagA+ IgG-c
Total # 18 16 13 2 3 3
% 86 76 62 10 14 14
Group 4 – Adult (≥10 years) (n = 17)
  IgG + b CagA+ IgG+/CagA+ IgG+/cagA- IgG-/CagA+ IgG-c
Total # 16 13 13 3 0 1
% 94 76 76 18 0 6
Total (n = 89)
  IgG + b CagA+ IgG+/CagA+ IgG+/cagA- IgG-/CagA+ IgG-
Total # 57 46 36 12 10 32
% 64 52 40 13 11 36
  1. a From the total of 94 Rhesus macaques studied, 5 that were <0.5 years of age were excluded.
  2. b positive in either the H. pylori or CagA IgG assay.
  3. c negative in both the H. pylori and CagA IgG assays.