Validity and reliability of retrospective assessment of disease activity and flare in observational cohorts of lupus patients.

@article{Fitzgerald1999ValidityAR,
  title={Validity and reliability of retrospective assessment of disease activity and flare in observational cohorts of lupus patients.},
  author={John D Fitzgerald and Jennifer M. Grossman},
  journal={Lupus},
  year={1999},
  volume={8 8},
  pages={638-44}
}
BACKGROUND The use of validated retrospective tools to assess disease activity in an observational cohort of patients would allow researchers the flexibility to analyze unique exploratory questions. Valid, reliable tools exist for assessing disease activity and flare for Systemic Lupus Erythematosus (SLE) patients. However, these tools have been designed… CONTINUE READING