Fig. 2From: Estimating correlation between multivariate longitudinal data in the presence of heterogeneityEstimated unconditional marginal correlation and conditional marginal correlation (given MD at diagnosis > −5 dB and slope of MD > −0.5 dB/year) in the OHTS data, where solid lines and broken lines represented the estimated correlation and its 95% confidence intervals respectively. Pointwise Pearson correlation at each time was also presentedBack to article page