How many times did this happen:Num:Pt:^Patient:Qn:LTVH
how many times did this happen:num:pt:^patient:qn:ltvh
How many times did this happen:Number:To identify measures at a point in time:^Patient:Quantitative:LTVH
how many times did this happen:number:to identify measures at a point in time:^patient:quantitative:ltvh