Table 3.
Basic characteristics of preventive colonoscopies performed within the Czech colorectal cancer screening program, 2006-2012
| Basic characteristics | Year | Patients with CS | Patients with detected adenoma | Proportion1 | Patients with detected CRC | Proportion1 |
| FOBT+ CS | 2006 | 5334 | 1578 | 29.6% | 335 | 6.3% |
| 2007 | 5679 | 1635 | 28.8% | 337 | 5.9% | |
| 2008 | 7457 | 2367 | 31.7% | 446 | 6.0% | |
| 2009 | 11712 | 3778 | 32.3% | 599 | 5.1% | |
| 2010 | 18327 | 6235 | 34.0% | 829 | 4.5% | |
| 2011 | 20131 | 7134 | 35.4% | 733 | 3.6% | |
| 2012 | 21112 | 7788 | 36.9% | 770 | 3.6% | |
| Total | 89752 | 30515 | 34.0% | 4049 | 4.5% | |
| Screening CS | 2009 | 1362 | 345 | 25.3% | 24 | 1.8% |
| 2010 | 4400 | 1076 | 24.5% | 43 | 1.0% | |
| 2011 | 4571 | 1160 | 25.4% | 42 | 0.9% | |
| 2012 | 4480 | 1138 | 25.4% | 35 | 0.8% | |
| Total | 14813 | 3719 | 25.1% | 144 | 1.0% | |
| Total | 104565 | 34234 | 32.7% | 4193 | 4.0% |
Source: Czech colorectal cancer (CRC) Screening Registry.
1
Proportions of detected neoplasia represent the positive predictive value for fecal occult blood test (FOBT) + colonoscopies (CS) and the detection rate for screening CS.