Biases in prevalent cohorts.

@article{Brookmeyer1987BiasesIP,
  title={Biases in prevalent cohorts.},
  author={Ron Brookmeyer and Mitchell H. Gail},
  journal={Biometrics},
  year={1987},
  volume={43 4},
  pages={
          739-49
        }
}
Several natural history studies of the Acquired Immunodeficiency Syndrome (AIDS) have been based on the follow-up of individuals infected with the AIDS virus prior to enrollment. The natural time scale for studying the preclinical course of AIDS is the time since first infection; however, in these studies the time at infection was a random unknown quantity. The biases inherent in using follow-up time instead of time from infection are investigated for estimation of both the cumulative… CONTINUE READING

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