Table 3.
Comparison of demographic data and vacA subgroups
| Variables | Level | S1 (%) | S2 (%) | M1 (%) | M2 (%) | P. value |
|---|---|---|---|---|---|---|
| Age (years) | Mean(SE) | 9.36 (1.21) | 8.09 (1.09) | 9.63 (1.89) | 8.72 (1.45) | 0.5 |
| Gender | Male | 8 (36.4) | 8 (72.7) | 1 (12.5) | 15 (60) | 0.01 |
| Female | 14 (63.6) | 3 (27.3) | 7 (87.5) | 10 (40) | ||
| Endoscopic finding | Congestion | 0 (0) | 1 (9.1) | 0 (0) | 1 (4) | 0.5 |
| Erosion | 2 (9.1) | 0 (0) | 1 (12.5) | 1 (4) | 0.4 | |
| Ulcer | 1 (4.5) | 1 (9.1) | 0 (0) | 2 (8) | 0.4 | |
| Erythema | 21 (95.5) | 11 (100) | 8 (100) | 24 (96) | 0.5 | |
| Nodular gastritis | 13 (59.1) | 7 (63.6) | 7 (87.5) | 13 (52) | 0.07 | |
| Pathologic finding | Chronic gastritis | 15 (68.6) | 6 (54.5) | 6 (75) | 15 (60) | 0.4 |
| Acute gastritis | 6 (27.3) | 5 (45.5) | 2 (25) | 9 (36) | 0.6 | |
| Duodenitis | 13 (59.1) | 9 (81.8) | 6 (75) | 16 (64) | 0.6 | |
| Esophagitis | 19 (86.4) | 11 (100) | 7 (87.5) | 23 (92) | 0.7 | |
| Atrophy | 0 (0) | 1 (9.1) | 0 (0) | 1 (4) | 0.6 | |
| H. pylori density | Negative | 9 (40.9) | 3 (27.3) | 4 (50) | 8 (32) | 0.8 |
| Mild positive | 12 (54.5) | 7 (63.6) | 4 (50) | 15 (60) | ||
| Moderate positive | 0 (0) | 1 (9.1) | 0 (0) | 1 (4) | ||
| Severe positive | 1 (4.5) | 0 (0) | 0 (0) | 1 (4) | ||
| Chief complaint | Epigastric pain | 18 (81.8) | 11 (100) | 8 (100) | 21 (84) | 0.2 |
| Vomiting | 8 (36.4) | 1 (9.1) | 6 (75) | 3 (12) | <0.001 | |
| Chronic diarrhea | 1 (4.5) | 0 (0) | 0 (0) | 1 (4) | 0.6 | |
| Failure to thrive | 4 (18.2) | 2 (18.2) | 1 (12.5) | 5 (20) | 0.6 | |
| GI bleeding | 2 (9.1) | 1 (9.1) | 0 (0) | 3 (12) | 0.3 | |
| cagA | 19 (80.4) | 5 (45.5) | 7 (87.5) | 17 (68) | 0.7 |