Research Paper Volume 16, Issue 17 pp 12138—12167
Poor sleep quality, dementia status and their association with all-cause mortality among older US adults
Figure 1. Sleep quality, dementia status and all-cause mortality: K-M survival curves. Abbreviations: chi2: Chi-square statistic; HRS: Health and Retirement Study; K-M: Kaplan Meier; LASSO: Least Absolute Shrinkage and Selection Operator; Pr: Probability.