International comparisons of survival from lung cancer: pitfalls and warnings.

摘要: Population-based survival data can provide valuable comparative on outcome but should be interpreted with caution. Differences in collection and analysis, patient tumor characteristics treatment options have an impact reported results. Ideally, from the whole population, including clinical-only diagnoses, methods of case identification described. The relative rates preferably given. Data such as age, sex, ethnicity socioeconomic deprivation described, together details pathology clinical stage. Whenever possible, use treatments reported.