Histogram

Currently smoking cigarettes vs Visit (Number)
Baseline (BL) Clinical Evaluation (CE) Diagnostic Visit (DX) CPAP Titration Visit (CPAP) Two Month Post-CPAP Neurocognitive Visit (2M) Four Month Post-CPAP Neurocognitive Visit (4M) Six Month Post-CPAP Neurocognitive Visit (6M)
Total 1,516 1,516 1,516 1,516 1,516 1,516 1,516
no 1,286 - - - - - -
yes 205 - - - - - -
not reported 25 1,516 1,516 1,516 1,516 1,516 1,516