How often do you generally have attacks:NRat:Pt:^Patient:Ord:PhenX
how often do you generally have attacks:nrat:pt:^patient:ord:phenx
How often do you generally have attacks:Number=Count/Time:To identify measures at a point in time:^Patient:Ordinal:PhenX
how often do you generally have attacks:number=count/time:to identify measures at a point in time:^patient:ordinal:phenx