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Table 5 Prior knowledge of CRC screening tests

From: Improving compliance to colorectal cancer screening using blood and stool based tests in patients refusing screening colonoscopy in Germany

Awareness of CRC Screening Tests N (%) CI
Fecal occult blood test 157 (91%) 86–95%
Colonoscopy 162 (94%) 90–97%
Sigmoidoscopy 22 (13%) 9–19%
Barium contrast enema 28 (16%) 12–23%
Septin9 blood test 36 (21%) 16–28%