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Table 2 The number of subjects by age grades with H. pylori infection and PCR-positive for H. pylori in samples obtained from oral cavity

From: Association between Helicobacter pylori infection and dental pulp reservoirs in Japanese adults

 Presence of H. pylori
Age – grades
20~4950~5960~6970~Total
n = 60n = 21n = 35n = 76n = 192
Samples
 Urine0 (0%)2 (10%)5 (14%)18 (24%)25 (13%)
 Dental pulp0 (0%)1 (5%)4 (11%)18 (24%)23 (12%)
 Dental plaque0 (0%)0 (0%)0 (0%)2 (3%)2 (1%)
 Saliva0 (0%)0 (0%)0 (0%)0 (0%)0 (0%)