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Professional Practice and Innovation: Level of Agreement between Coding Sources of Percentage Total Body Surface Area
Dina Watterson, Heather Cleland1, Natalie Picton2
1Heather Cleland MBBS, FRACS, Director, Victorian Adult Burns Service, Alfred Hospital, Department of Surgery, Central & Eastern Clinical School, Monash University, 99 Commercial Road, Melbourne VIC 3004, AUSTRALIA.
Abstract:
The percentage of total body surface area burnt (%TBSA) is a critical measure of burn injury severity and a key predictor of burn injury outcome. This study evaluated the level of agreement between four sources of %TBSA using 120 cases identified through the Victorian State Trauma Registry. Expert clinician, ICD-10-AM, Abbreviated Injury Scale, and burns registry coding were compared using measures of agreement. There was near-perfect agreement (weighted Kappa statistic 0.81-1) between all sources of data, suggesting that ICD-10-AM is a valid source of %TBSA and use of ICD-10-AM codes could reduce the resource used by trauma and burns registries capturing this information.
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