FIT Collection Difficulty and FIT Errors**
| Overall | No Difficulty | Some Difficulty | ||
|---|---|---|---|---|
| N (%) | N (%) | N (%) | P-values | |
| Hemoccult ICT errors | 0.027* | |||
| Yes | 66 (3.2) | 29 (2.4) | 37 (4.2) | |
| No | 2,005 (96.8) | 1,156 (97.6) | 849 (95.8) | |
| Hemosure iFOB errors | 0.001* | |||
| Yes | 52 (2.5) | 31 (1.9) | 21 (4.7) | |
| No | 1,996 (97.5) | 1,570 (98.1) | 426 (95.3) | |
| OC-Light S FIT errors | <0.001† | |||
| Yes | 9 (0.4) | 1 (0.1) | 8 (1.6) | |
| No | 2,041 (99.6) | 1,545 (99.9) | 496 (98.4) | |
| QuickVue iFOB errors | <0.001* | |||
| Yes | 54 (2.6) | 26 (1.7) | 28 (5.5) | |
| No | 1,994 (97.4) | 1,510 (98.3) | 484 (94.5) |
↵*χ2 for some difficulty versus no difficulty.
↵†Fisher’s exact test for some difficulty versus no difficulty.
↵**No errors were noted for OC-Auto, because all vials were sent to the main pathology laboratory for analysis, even if it appeared no stool was in the vial.
Abbreviations: ICT, Immunochemical Test; iFOB, Immunochemical Fecal Occult Blood Test; FIT, Fecal Immunochemical Test.