Percentage area affected by eczema:NRat:Pt:Head+Neck:Qn:PhenX
percentage area affected by eczema:nrat:pt:head+neck:qn:phenx
Percentage area affected by eczema:Number=Count/Time:To identify measures at a point in time:Head+Neck:Quantitative:PhenX
percentage area affected by eczema:number=count/time:to identify measures at a point in time:head+neck:quantitative:phenx