Table 3 Associations between the density and depth of H. pylori colonization and level of atrophy severity in patients with chronic gastritis (n, %)
From: Impact of Helicobacter pylori colonization density and depth on gastritis severity
Atrophy severity | Overall | Treatment-naive patients | Previously treated patients | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Absent | Mild | Moderate | Severe | Absent | Mild | Moderate | Severe | Absent | Mild | Moderate | Severe | |
The density of H. pylori colonization | ||||||||||||
I | 33 (55.9) | 15 (25.4) | 6 (10.2) | 5 (8.5) | 26 (55.3) | 12 (25.5) | 6 (12.8) | 3 (6.4) | 7 (58.3) | 3 (25.0) | 0 (0.0) | 2 (16.7) |
II | 107 (57.2) | 58 (31.0) | 19 (10.2) | 3 (1.6) | 96 (61.1) | 45 (28.7) | 15 (9.6) | 1 (0.6) | 11 (36.7) | 13 (43.3) | 4 (13.3) | 2 (6.7) |
III | 271 (66.3) | 106 (25.9) | 29 (7.1) | 3 (0.7) | 223 (66.7) | 83 (25.0) | 24 (7.2) | 29 (0.6) | 48 (62.3) | 23 (29.9) | 5 (6.5) | 1 (1.3) |
IV | 308 (66.2) | 137 (29.5) | 17 (3.7) | 3 (0.6) | 250 (67.2) | 109 (29.3) | 11 (3.0) | 2 (0.5) | 58 (62.4) | 28 (30.1) | 6 (6.5) | 1 (1.1) |
χ2 | NA | NA | Na | |||||||||
P | < 0.001 | < 0.001 | 0.060 | |||||||||
The depth of H. pylori colonization | ||||||||||||
I | 34 (58.6) | 13 (22.4) | 6 (10.3) | 5 (8.5) | 26 (59.1) | 10 (22.7) | 5 (11.4) | 3 (6.8) | 8 (57.1) | 3 (21.4) | 1 (7.1) | 2 (14.3) |
II | 82 (59.9) | 39 (28.5) | 13 (9.5) | 3 (2.2) | 74 (63.8) | 31 (26.7) | 10 (8.6) | 1 (0.9) | 8 (38.1) | 8 (38.1) | 3 (14.3) | 2 (9.5) |
III | 603 (65.2) | 264 (28.5) | 52 (5.6) | 6 (0.6) | 495 (66.2) | 208 (27.8) | 41 (5.5) | 4 (0.5) | 108 (61.0) | 56 (31.6) | 11 (6.2) | 2 (1.1) |
χ2 | Na | Na | Na | |||||||||
P | 0.001 | 0.017 | 0.015 | |||||||||