Table 4.
Detection sensitivity of fecal occult blood test (FOBT), mSEPT9, and the combination for the stratification by tumor location (%).
| FOBTa | mSEPT9 | FOBT + mSEPT9a | |
|---|---|---|---|
| Colon (n = 77) | 57.8 | 67.5 | 86.0 |
| Right colon (n = 14) | 63.6 | 71.4 | 90.9 |
| Ileocecal junction (n = 6) | 50.0 | 66.7 | 100.0 |
| Ascending colon (n = 8) | 71.4 | 75.0 | 85.7 |
| Left colon (n = 36) | 59.3 | 66.7 | 92.6 |
| Splenic flexure and descending colon (n = 3) | 50.0 | 0 | 50.0 |
| Sigmoid colon (n = 33) | 60.0 | 72.7 | 96.0 |
| Transverse colon (n = 3) | 66.7 | 66.7 | 66.7 |
| Colon, unspecified (n = 24) | 50.0 | 66.7 | 75.0 |
| Rectum (n = 46) | 67.7 | 52.2 | 80.7 |
aFOBT information was missing among 20 patients in group of colon cancer, including 2 in ileocecal junction, 1 in ascending colon, 1 in descending colon, 8 in sigmoid colon, and 8 in unspecified colon, and FOBT information was missing among 15 patients in group of rectum cancer.