Figure 2.
Spaghetti plots of changes in PSG parameters over time for children with SCD and repeated PSGs in no-therapy (red) vs hydroxyurea (blue) groups. PSG parameters include averages for AHI, OHI, REM AHI, sleep efficiency, arousals, baseline SpO2 percent, NREM and REM SpO2 percent nadirs, and percentage of sleep with O2 desaturations <90%.