A controlled ‘before-after’ study: impact of a clinical guidelines programme and regional cancer network organization on medical practice
2002

Impact of Clinical Guidelines on Cancer Treatment

Sample size: 1030 publication 10 minutes Evidence: high

Author Information

Author(s): Ray-Coquard I, Philip T, de Laroche G, Froger X, Suchaud J-P, Voloch A, Mathieu-Daudé H, Fervers B, Farsi F, Browman G P, Chauvin F

Primary Institution: Centre Léon Bérard

Hypothesis

Does the implementation of clinical practice guidelines improve compliance in cancer treatment?

Conclusion

The introduction of clinical practice guidelines significantly improved compliance with treatment protocols for breast and colon cancer in the Rhône-Alpes region.

Supporting Evidence

  • Compliance rates for breast cancer increased from 12% in 1994 to 36% in 1996 in the experimental group.
  • Compliance rates for colon cancer increased from 14% in 1994 to 46% in 1996 in the experimental group.
  • The control group showed no significant change in compliance rates over the same period.
  • Evidence-based decisions increased from 47% in 1994 to 62% in 1996 in the experimental group.

Takeaway

When doctors follow specific guidelines for treating cancer, they do a better job. This study showed that using these guidelines helped doctors make better decisions for their patients.

Methodology

A controlled ‘before-after’ study comparing compliance rates with clinical practice guidelines in an experimental group with a regional cancer network and a matched control group without such a network.

Potential Biases

Potential bias due to non-randomized selection of hospitals and regions.

Limitations

The control region was smaller and may not have been fully comparable to the experimental region.

Participant Demographics

Patients included women with non-metastatic breast cancer and new patients with colon cancer from both public and private hospitals.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% CI, 41–53

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600057

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