Table 1.
Study Sample.
| Base case (without OBGYN only) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Number of unique patients | 01/01/2015–12/31/2015 | 01/01/2016–12/31/2016 | 01/01/2017–12/31/2017 | 01/01/2018–12/31/2018 | ||||
| Total extracted | 143,354 | 146,291 | 145,939 | 143,896 | ||||
| Excluded due to exclusionary ICD-9 codes | 5,519 | 3.8 % | 5,973 | 4.1 % | 6,282 | 4.3 % | 6,774 | 4.7 % |
| Excluded due to screening before age of 40 | 0 | 0.0 % | 0 | 0.0 % | 0 | 0.0 % | 0 | 0.0 % |
| Excluded due to missing critical data (i.e. test dates)* | 0 | 0.0 % | 0 | 0.0 % | 0 | 0.0 % | 0 | 0.0 % |
| Excluded due to other** | 10,712 | 7.5 % | 10,204 | 7.0 % | 9,872 | 6.8 % | 9,332 | 6.5 % |
| Total excluded | 16,006 | 11.2 % | 15,950 | 10.9 % | 15,926 | 10.9 % | 15,870 | 11.0 % |
| Total Remaining | 127,348 | 88.8 % | 130,341 | 89.1 % | 130,013 | 89.1 % | 128,026 | 89.0 % |
| New patient | 11,646 | 9.1 % | 10,447 | 8.0 % | 7,650 | 5.9 % | 6,768 | 5.3 % |
| due for screening this year and performed it | 1,165 | 10.0 % | 1,280 | 12.3 % | 925 | 12.1 % | 849 | 12.5 % |
| due for screening this year and did not perform it | 9,772 | 83.9 % | 8,419 | 80.6 % | 6,367 | 83.2 % | 5,709 | 84.4 % |
| NOT due for screening this year and performed it | 18 | 0.2 % | 36 | 0.3 % | 7 | 0.1 % | 6 | 0.1 % |
| NOT due for screening this year and did not perform it | 691 | 5.9 % | 712 | 6.8 % | 351 | 4.6 % | 204 | 3.0 % |
| Existing patient | 115,702 | 90.9 % | 119,894 | 92.0 % | 122,363 | 94.1 % | 121,258 | 94.7 % |
| due for screening this year and performed it | 8,101 | 7.0 % | 8,308 | 6.9 % | 7,959 | 6.5 % | 7,029 | 5.8 % |
| due for screening this year and did not perform it | 72,278 | 62.5 % | 69,726 | 58.2 % | 66,865 | 54.6 % | 62,724 | 51.7 % |
| NOT due for screening this year and performed it | 2,903 | 2.5 % | 4,382 | 3.7 % | 5,043 | 4.1 % | 4,891 | 4.0 % |
| NOT due for screening this year and did not perform it | 32,420 | 28.0 % | 37,478 | 31.3 % | 42,496 | 34.7 % | 46,614 | 38.4 % |
| Base case (without OBGYN only) |
||||||||
|---|---|---|---|---|---|---|---|---|
| Number of unique patients | 01/01/2015–12/31/2015 | 01/01/2016–12/31/2016 | 01/01/2017–12/31/2017 | 01/01/2018–12/31/2018 | ||||
| CRC Screening by modalities | ||||||||
| Screened this year by any modality | 12,187 | 9.6% | 14,006 | 10.7% | 13,934 | 10.7% | 12,775 | 10.0% |
| Screened this year by gFOBT/FIT | 2,416 | 19.8% | 3,091 | 22.1% | 2,683 | 19.3% | 2,157 | 16.9% |
| Screened this year by mt-sDNA | 400 | 3.3% | 686 | 4.9% | 953 | 6.8% | 1,404 | 11.0% |
| Screened this year by CTC | 9 | 0.1% | 15 | 0.1% | 13 | 0.1% | 1 | 0.0% |
| Screened this year by SIG | 13 | 0.1% | 45 | 0.3% | 53 | 0.4% | 57 | 0.4% |
| Screened this year by colonoscopy | 9,349 | 76.7% | 10,169 | 72.6% | 10,232 | 73.4% | 9,156 | 71.7% |
Notes: * *assumed, since blank cells could correspond to tests not performed but also to missing data.
**NA for sex and OB/GYN visits only.