Table 2.
Performance indicators for FIT and colonoscopy and outcomes of colorectal cancer screening program in Lithuania between 2014 and 2018.
| Variable | 2014 | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|
| Target population | 1,297,155 | 1,311,156 | 1,325,082 | 1,336,298 | 1,346,670 |
| FIT results | |||||
| Number of FIT negative persons (% of all test) | 217,659 | 188,529 | 211,424 | 210,137 | 222,394 |
| (92.67) | (89.76) | (90.28) | (91.63) | (92.07) | |
| Number of FIT positive persons (% of all test) | 17,222 | 21,507 | 22,761 | 19,207 | 19,159 |
| (7.33) | (10.24) | (9.72) | (8.37) | (7.93) | |
| Compliance to colonoscopy (% of FIT positive) | 8382 | 12,630 | 12,916 | 12,112 | 11,140 |
| (48.7) | (58.7) | (56.8) | (63.1) | (58.2) | |
| Colonoscopy with sedation (% of all colonoscopies) | 5304 | 7993 | 9575 | 8907 | 8557 |
| (63.3) | (63.3) | (74.1) | (73.5) | (75.1) | |
| Colonoscopy without sedation (% of all colonoscopies) | 3078 | 4637 | 3341 | 3205 | 2583 |
| (36.7) | (36.7) | (25.9) | (26.5) | (24.9) | |
| Number of patients with biopsies performed | 3029 | 4519 | 4717 | 4316 | 3499 |
| Number of patients with detected adenoma | 1584 | 2564 | 2895 | 2601 | 2163 |
| Adenoma detection rate (% of biopsies) | 18.9 | 20.3 | 22.41 | 21.47 | 19.42 |
| Proportion of adenoma of test-positive persons (%) | 9.20 | 11.92 | 12.72 | 13.54 | 11.29 |
| Proportion of adenoma of screened persons (%) | 0.67 | 1.22 | 1.24 | 1.13 | 0.90 |
| Number of persons with detected CRC | 221 | 248 | 217 | 227 | 178 |
| Positive predictive value for CRC | 7.30 | 5.49 | 4.60 | 5.26 | 5.09 |
| % CRC of test-positive | 1.28 | 1.15 | 0.95 | 1.18 | 0.93 |
| % CRC of screened persons | 0.09 | 0.12 | 0.09 | 0.10 | 0.07 |
CRC—colorectal cancer; FIT—fecal immunochemical test.