I hope you're doing well. I have a couple of questions:
Thanks for using the NSRR!
For your first question, these variables are where I would start:
The Interim Follow-up was a distinct visit. No home sleep test; the visit consisted of a couple sleep-related forms, weight/BP measurements (if there was an in-clinic portion), and questions about cardiovascular events since Visit 1.
Wow, thank you very much for your prompt help. I appreciate it!