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Table 1 Hellenic PCPhs' recommendations of colorectal tests for cancer screening activities:

From: Colorectal cancer screening awareness among physicians in Greece

Screening tests twice a year % yearly % every 2 years % every 3 years % every 5 years % Useful undefined frequency % Not useful %
SIG 0 6 3 6 7 1 77
SOBT 3 35 6 1 1 1 52
DRE 6 55 4 1 1 1 32
  1. Abbreviations used:
  2. PCPhs primary care physicians
  3. SIG sigmoidoscopy
  4. SOBT stool occult blood test
  5. DRE digital rectal examination
  6. % percentage