Table 3.
Differences in the distribution of cagA and vacA genotypes among different races residing within the same country
| |
|
|
|
cagA genotype |
vacA genotype |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Area/Race (n) | Patient (n) | cagA (n/%) | Western EPIYA-ABC | East-Asian EPIYA-ABD | s1 (n/%) | s1a (n/%) | s1b (n/%) | s1c (n/%) | s2 (n/%) | m1 (n/%) | m2 (n/%) | s1m1 (n/%) | s1m2 (n/%) | s2m1 (n/%) | s2m2 (n/%) | i1 (n/%) | i2 (n/%) | |
| Vietnam |
Hanoi (North) |
107 |
103 (96) |
1 (2) |
51 (98) |
107 (100) |
NA |
NA |
NA |
1 (1) |
60* (58) |
44 (42) |
60* (58) |
44 (42) |
0 (0) |
0 (0) |
50 (94) |
3 (6) |
| |
Ho Chi Minh (South) |
118 |
90 (94) |
3 (7) |
43 (93) |
96 (100) |
NA |
NA |
NA |
0 (0) |
32 (34) |
62 (66) |
32 (34) |
62 (66) |
0 (0) |
0 (0) |
44 (94) |
3 (6) |
| Thailand |
Thai |
38 |
38 (100) |
31# (82) |
7 (18) |
38 (100) |
31 (82) |
0 (0) |
7# (18) |
0 (0) |
35# (92) |
3 (8) |
35 (92) |
3 (8) |
0 (0) |
0 (0) |
NA |
NA |
| |
Thai-Chinese |
40 |
40 (100) |
16 (42) |
24 (60) |
40 (100) |
17 (43) |
0 (0) |
23 (58) |
0 (0) |
28 (70) |
12 (30) |
28 (70) |
12 (30) |
0 (0) |
0 (0) |
NA |
NA |
| |
Chinese |
20 |
20 (100) |
3 (15) |
17 (85) |
20 (100) |
5 (25) |
0 (0) |
15 (75) |
0 (0) |
8 (40) |
12 (60) |
8 (40) |
12 (60) |
0 (0) |
0 (0) |
NA |
NA |
| Malaysia |
Chinese |
286 |
141 (95) |
29** (13) |
186 (87) |
149 (100) |
NA |
NA |
NA |
0 (0) |
82 (55) |
67 (45) |
82 (55) |
67 (45) |
0 (0) |
0 (0) |
90 (100) |
0 (0) |
| |
Indian |
144 |
82 (94) |
93 (89) |
11 (11) |
78 (90) |
27 (82) |
4 (12) |
2 (6) |
9 (10) |
61 (70) |
26 (30) |
61 (70) |
17 (20) |
0 (0) |
9 (10) |
44 (90) |
5 (10) |
| Malay | 75 | 43 (86) | 25 (56) | 19 (43) | 45 (90) | 23 (92) | 0 (0) | 2 (8) | 5 (10) | 32 (64) | 18 (36) | 32 (64) | 13 (26) | 0 (0) | 5 (10) | 22 (100) | 0 (0) | |
‘NA’ (not available) indicates a lack of data associating cagA status, EPIYA motif genotype, and vacA s-, m-, and i-region genotypes.
*: p < 0.05 (significant differences between Northern and Southern parts in Vietnam) by use of chi-square test, #: p < 0.05 (significant differences among Thai, Thai-Chinese, and Chinese in Thailand) by use of chi-square test, **: p < 0.05 (significant differences among Chinese, Indian, and Malay in Malaysia) by use of chi-square test.