Table 4. Knowledge of colorectal cancer screening methods.
| Total % ( n ) | Pre-clinical % ( n ) | Clinical % ( n ) | p -Value | |
|---|---|---|---|---|
| CRC screening decreases the incidence of CRC | 58.5 (478) | 65.2 (176) | 55.2 (302) | 0.02 |
| CRC screening decreases the mortality of CRC | 87.6 (716) | 81.5 (220) | 90.7 (496) | 0.001 |
| CRC is a preventable disease | 60.2 (489) | 47.6 (128) | 66.4 (361) | < 0.001 |
| Knowledge of appropriate age to begin screening* | 31.7 (260) | 25.7 (69) | 34.4 (189) | 0.01 |
| Screening methods | ||||
| Fecal occult blood test | 79.0 (644) | 59.9 (161) | 88.5 (483) | < 0.001 |
| CT colonography | 55.2 (444) | 48.1 (129) | 58.8 (315) | < 0.001 |
| Colonoscopy | 89.4 (726) | 83.6 (224) | 92.3 (502) | < 0.001 |
| Flexible sigmoidoscopy | 84.3 (685) | 75.8 (203) | 88.4 (482) | < 0.001 |
Abbreviations: CRC, colorectal cancer; CT, computerized tomography.
*In average-risk population.