Bringing functional status into a big data world: Validation of national Veterans Affairs functional status data.
Rebecca T BrownKiya D KomaikoYing ShiKathy Z FungW John BoscardinAlvin Au-YeungGary TarasovskyRiya JacobMichael A SteinmanPublished in: PloS one (2017)
Overall agreement of VA functional status data with a reference standard was moderate, with fair sensitivity but high specificity and positive predictive value.