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- Ovarian ScreeningShow More
Usha Menon, in an analysis of ovarian cancer screening, pointed out that the best evidence for screening for ovarian cancer came from a study that found a sigificant difference in median survival with screening without finding an actual difference in the number of deaths from ovarian or fallopian tube cancer. This sounds like it could be a classic example of lead time bias, in which we make an earlier diagnosis in a dis...
Competing Interests: None declared. - misquoteShow More
Dear editor,
Usha Menon's review of ovarian cancer screening misquotes the result of the randomised controlled trial of screening with CA 125 and ultrasonography by Jacobs et al. The correct number of deaths from ovarian cancer was 18/10,977 in the control group and 9/10,958 in the screened group (RR of death in the unscreened group 2.0, 95% CI 0.78- 5.13). (The article stated the reverse.) While the difference...
Competing Interests: None declared.