A multiple imputation method based on weighted quantile regression models for longitudinal censored biomarker data with missing values at early visits

HIGHLIGHTS

• who: MinJae Lee from the Ankylosing spondylitis is a chronic inflammatory disease characterized by inflammatory spinal pain usually beginning in the second to fourth decades of life that can result in chronic pain, that can result in functional impairment and diminished quality of life, and, in some patients, complete spinal fusionIn PSOAS, participants meeting the modified New York (mNY) Classification Criteria for AS [26] were enrolled from one of the five study sites (Cedars-Sinai Medical Center in Los Angeles, California, the University of Texas Health Science Center at Houston (UTH), the NIH Clinical Center, the University . . .
  

   

  

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