Name
refok
Label
Reference and ground electrodes working?
Domain
noyes
  • 0: No
  • 1: Yes
Type
choices
Reference and ground electrodes working? vs Visit number
Visit 8
Total 461
No 9
Yes 188
Unknown 264
Reference and ground electrodes working? vs Age (categorical)
Visit 8
75-84 years 85 years or older Total
Total 325 130 455
No 5 4 9
Yes 133 52 185
Unknown 187 74 261
Reference and ground electrodes working? vs Gender
Visit 8
Female Total
Total 461 461
No 9 9
Yes 188 188
Unknown 264 264