Table 4.
Regional distribution of studies
| Study area |
Number studies |
Quality | Gastro staff (HP positive %) |
Doctors (HP positive %) |
Assistants (HP positive %) |
Non-medical controls (HP positive %) |
Medical controls (HP positive %) |
|---|---|---|---|---|---|---|---|
| Europe | |||||||
| 10 | all | 1303 (37) | 1417 (39) | 288 (37) | 1623 (45) | 1311 (35) | |
| 6 | good | 1183 (37) | 1228 (39) | 288 (37) | 822 (33) | 931 (35) | |
| 4 | moderate | 120 (46) | 189 (43) | 801 (53) | 380 (35) | ||
| America / Australia | |||||||
| 7 | all | 481 (31) | 204 (52) | 335 (18) | 1929 (16) | 35 (29) | |
| 3 | good | 268 (42) | 150 (61) | 256 (17) | 895 (16) | ||
| 4 | moderate | 213 (31) | 54 (42) | 79 (19) | 1034 (16) | 35 (29) | |
| Asia | |||||||
| 7 | all | 596 (73) | 445 (68) | 186 (78) | 5557 (35) | 204 (35) | |
| 6 | good | 596 (73) | 428 (70) | 186 (78) | 5522 (45) | 187 (52) | |
| 1 | moderate | 17 (29) | 35 (20) | 17 (18) | |||
Gastro staff = gastroenterological staff