Variation in coded frailty syndromes in secondary care administrative data: an international retrospective exploratory study.
John Tshon Yit SoongSheryl Hui-Xian NgKyle Xin Quan TanJurgita KaubryteAdrian HopperPublished in: BMJ open (2022)
Variation in coding frequency for frailty syndromes in standardised diagnostic fields are quantified and described. Recommendations are made to account for this variation when producing risk prediction models.