Table 1.
Characteristics of fecal occult blood tests mailed to participants in different study arms
| Test | OC-Auto® | InSure® | Hemoccult SENSA® |
|---|---|---|---|
| Manufacturera | Eiken | Enterix | Beckman Coulter |
| Type | FIT | FIT | Guaiac |
| Number of stools | 1 | 2 | 3 |
| Number of samples per stool | 1 | 1 | 2 |
| Sampling method | Use stick to scrape stool surface, put in liquid in tube | Use brush to brush surface of stool, smear on dry cards | Use stick to sample surface of stool, smear on dry cards |
| Restrictions | Not during menstruation | Not during menstruation | No red meat or NSAIDs. Limit aspirin and vitamin C. |
| Cut-off for positive test | 100 ng/cc | 75 ng/cc | Not applicable |
Abbreviations: FIT, fecal immunochemical test; NSAID, nonsteroidal anti-inflammatory drug.
a
Eiken Chemical Company, LDT (Tokyo, Japan); distributed by Polymedco Cancer Diagnostic Products, LLC (Cortland Manor, New York); Enterix (Edison, New Jersey); Beckman Coulter (Fullerton, California).