Sensitivity (%) of PhiCal and FlexSure OBT for asymptomatic neoplasia in 666 screenees delivering a valid FlexSure OBT test card, having a faecal calprotectin analysis, and being examined to the caecum at colonoscopy
| Low risk adenoma (n = 480) | High risk adenoma (n = 174) | CRC (n = 12) | |
|---|---|---|---|
| Positive PhiCal | 125 (26) | 43 (25) | 8 (67) |
| Positive FlexSure OBT | 48 (10) | 56 (32) | 9 (75) |
| Any one test positive | 131 (27) | 73 (42) | 5 |
| Both tests positive | 21 (4.4) | 13 (7.5) | 6 |









