CCAR1 and cancer: In addition, the negative cancer association with anti-CCAR1 autoantibodies persisted even after controlling for potential confounders (age and biological sex) in multivariable analyses (Johns Hopkins OR 0.13 [95% CI 0.029–0.58], P = 0.008; Stanford OR 0.24 [95% CI 0.06–0.99], P = 0.049).