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Table 3 Detection and distribution of H. pylori and its virulence genes in patients with various gastroduodenal disease outcomes

From: Detection of Helicobacter pylori and its virulence genes (cagA, dupA, and vacA) among patients with gastroduodenal diseases in Chris Hani Baragwanath Academic Hospital, South Africa

  Disease conditions  
Normal mucosal (%) Pan gastritis (%) Peptic ulcer (%) Gastric erosion (%) Hemorrhages and polyps (%) Gastric cancer (%) Total (%)
n = 17 (3.8) n = 338 (76.1) n = 55 (12.4) n = 23 (5.2) n = 8 (1.8) n = 3 (0.7) n = 444 (100)
H. pylori positive 9 (3.8) 180 (76.9) 31 (13.2) 11 (4.7) 3 (1.3) 0 (0) 234 (100)
cagA 7 (4.8) 111 (76.5) 17 (11.7) 8 (5.5) 2 (1.4) 0 (0) 145 (100)
dupA 5 (4.0) 94 (75.2) 15 (12.0) 9 (7.2) 2 (1.6) 0 (0) 125 (100)
vacAs1 8 (5.2) 111 (71.6) 26 (16.8) * 7 (4.5) 3 (1.9) 0 (0) 155 (100)
vacAs2 1 (2.1) 38 (80.9) 5 (10.6) 3 (6.4) 0 (0) 0 (0) 47 (100)
vacAm1 6 (3.7) 123 (75.9) 23 (14.2) 7 (4.3) 3 (1.9) 0 (0) 162 (100)
vacAm2 3 (6.0) 37 (74.0) 7 (14.0) 3 (6.0) 0 (0) 0 (0) 50 (100)
vacAs1/m1 6 (4.5) 97 (73.5) 20 (15.2) 6 (4.5) 3 (2.3) 0 (0) 132 (100)
vacAs1/m2 2 (9.1) 13 (59.0) 2 (9.1) 5 (22.7) * 0 (0) 0 (0) 22 (100)
vacAs2/m1 0 (0) 19 (79.2) 3 (12.5) 2 (8.3) 0 (0) 0 (0) 24 (100)
vacAs2/m2 1 (3.7) 22 (81.5) 2 (7.4) 2 (7.4) 0 (0) 0 (0) 27 (100)
  1. *Significant (P < 0.05)