Recognition of skin malignancy by general practitioners: observational study using data from a population-based randomised controlled trial
2009

How Well Do GPs Recognize Skin Cancer?

Sample size: 568 publication 10 minutes Evidence: moderate

Author Information

Author(s): Pockney P, Primrose J, George S, Jayatilleke N, Leppard B, Smith H, Little P, Kneebone R, Lowy A

Primary Institution: University Surgery, Southampton General Hospital

Hypothesis

How well do general practitioners recognize skin malignancies in primary care settings?

Conclusion

General practitioners missed about one-third of skin malignancies, indicating a need for improved training.

Supporting Evidence

  • GPs had a sensitivity of 66.7% for detecting malignant lesions.
  • Chance-corrected agreement between GP diagnosis and histology was moderate (κ = 0.45).
  • One-third of malignancies were missed by GPs in the study.

Takeaway

This study found that many doctors miss skin cancer when they see patients, which can be dangerous. We need to help them learn to spot it better.

Methodology

The study analyzed data from a randomized controlled trial, comparing GP diagnoses of skin lesions with histological results.

Potential Biases

Potential bias due to the artificial environment of a controlled trial and the reliance on GP referrals.

Limitations

The study was conducted in a controlled trial setting, which may not reflect real-world conditions.

Participant Demographics

Average age of participants was 48.75 years, with 54.4% being women.

Statistical Information

P-Value

0.05

Confidence Interval

95% CI, 50.3–79.8

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6604810

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