Table 1 Associations between the density and depth of H. pylori colonization and activity intensity of inflammation in patients with chronic gastritis (n, %)
From: Impact of Helicobacter pylori colonization density and depth on gastritis severity
Activity intensity | 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 | 20 (33.9) | 29 (49.2) | 10 (16.9) | 0 (0) | 15 (31.9) | 23 (48.9) | 9 (19.1) | 0 (0.0) | 5 (41.7) | 6 (50.0) | 1 (8.3) | 0 (0.0) |
II | 38 (20.3) | 79 (42.2) | 65 (34.8) | 5 (2.7) | 31 (19.7) | 66 (42.0) | 55 (35.0) | 5 (3.2) | 7 (23.3) | 13 (43.3) | 10 (33.3) | 0 (0.0) |
III | 47 (11.5) | 111 (27.1) | 237 (57.9) | 14 (3.4) | 40 (12.0) | 88 (26.5) | 193 (58.1) | 11 (3.3) | 7 (9.1) | 23 (29.9) | 44 (57.1) | 3 (3.9) |
IV | 29 (6.2) | 133 (28.6) | 286 (61.5) | 17 (3.7) | 21 (5.6) | 107 (28.8) | 230 (61.8) | 14 (3.8) | 8 (8.6) | 26 (28.0) | 56 (60.2) | 3 (3.2) |
χ2 | NA | NA | Na | |||||||||
P | < 0.001 | < 0.001 | 0.002 | |||||||||
The depth of H. pylori colonization | ||||||||||||
I | 21 (36.2) | 28 (48.3) | 9 (15.5) | 0 (0.0) | 15 (34.1) | 21 (47.7) | 8 (18.2) | 0 (0.0) | 6 (42.9) | 7 (50.0) | 1 (7.1) | 0 (0.0) |
II | 28 (20.4) | 57 (41.6) | 48 (35.0) | 4 (2.9) | 24 (20.4) | 48 (41.4) | 40 (34.5) | 4 (3.4) | 4 (19.0) | 9 (42.9) | 8 (38.1) | 0 (0.0) |
III | 85 (9.2) | 267 (28.9) | 541 (58.5) | 32 (3.5) | 68 (9.1) | 215 (28.7) | 439 (58.7) | 26 (3.5) | 17 (9.6) | 52 (29.4) | 102 (57.6) | 6 (3.4) |
χ2 | 85.152 | 63.454 | Na | |||||||||
P | < 0.001 | < 0.001 | 0.001 | |||||||||