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Colorectal Cancer Screening

What was measured?

What percentage of HMO members, ages 50-80, have been tested for colorectal cancer? Patients may be tested for the cancer using any one of four tests - the frequency of these tests vary from every year to once every ten years.

These results are based on a sample of HMO patient administrative and medical records.

Why is it important?

When colorectal cancer is found early almost all patients can be cured of the disease. But, if the cancer is found later fewer than half of the patients survive.

Look for differences of at least four percentage points.

Smaller differences are often not significant.

Colorectal Cancer Screening
Health Plan (HMO) Rating
  • 0% (worse)
  • (better) 100%
Health Net of California 52%
CIGNA HealthCare of California 46%
Blue Cross of California - HMO 45%
Kaiser Permanente - Northern California 37%