How many of the Ds that the actiGraph was worn were valid:Num:Pt:^Patient:Qn:PhenX
how many of the ds that the actigraph was worn were valid:num:pt:^patient:qn:phenx
How many of the days that the actiGraph was worn were valid [#] [PhenX]
how many of the days that the actigraph was worn were valid [#] [phenx]