Table 2.
Tests or examinations performed during diagnosis: proportions of respondents who reported that they underwent each test in France, Germany, and the US
| Test/examination | Proportion of patients who reported that they underwent each test, n (%) | ||
|---|---|---|---|
| France (n = 70) | Germany (n = 240) | US (n = 428) | |
| 5-HIAA urine test | 25 (35.7) | 163 (67.9) | 206 (48.1) |
| Biopsy | 41 (58.6) | 147 (61.3) | 256 (59.8) |
| Blood tests | 43 (61.4) | 163 (67.9) | 253 (59.1) |
| Colonoscopya | 0 (0) | 0 (0) | 183 (42.8) |
| CT/CAT scan | 52 (74.3) | 167 (69.6) | 344 (80.4) |
| Endoscopy | 16 (22.9) | 0 (0) | 154 (36.0) |
| MRI scan | 29 (41.4) | 118 (49.2) | 163 (38.1) |
| Physical examination | 6 (8.6) | 165 (69.8) | 169 (39.5) |
| X-ray | 12 (17.1) | 99 (41.3) | 108 (25.2) |
| Other | 20 (28.6) | 61 (25.4) | 90 (21.0) |
5-HIAA 5-hydroxyindoleacetic acid, CAT computerized axial tomography, CT computed tomography, MRI magnetic resonance imaging
aColonoscopy was not included as a country-specific test for France