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General Orthopaedics

ACCURACY OF THE NATIONAL JOINT REGISTRY DATA AT A SURGEON LEVEL: A COMPARISON OF THREE YEARS OF DATA ENTRY BETWEEN THE NATIONAL JOINT REGISTRY AND AN INDIVIDUAL SURGEONS E LOGBOOK

British Orthopaedic Trainee Association Annual General Meeting (BOTA)



Abstract

The National Joint Registry (NJR) was set up by the Department of Health to collect information on all joint replacements. The NJR data is externally validated against nationally collated Hospital Episode Statistics (HES).

Errors associated with the use of HES data have been widely documented. We sought to explore the accuracy of the NJR data, for a single surgeon, against a prospectively collected personal logbook.

The NJR and logbook were compared over a 3-year period (01/07/2009 to 30/06/2012).

Total procedure recorded in the personal logbook was 684 and in the NJR was 681. TKR in personal log book was 304 and in NJR 316, revision knee's in personal logbook 45 and in NJR 36, THR 274 in personal logbook and 271 in NJR, revision hip procedures in personal logbook 64 and 58 in NJR.

Whilst the total number of procedures captured correlates closely (681 vs 684) there is more variation with the different individual procedures. This may be due to the addition of 11% of HES data used for this time period by the NJR as it is known to be inaccurate. This therefore demonstrates the importance of maintaining your own accurate records.