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National Vascular Registry 2015 Annual Report - AAA Repair ResultsData Field Description File - 2015 NVR Annual Report - AAA repair

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Data field position	Column A	Column B	Column C	Column D	Column E	Column F	Column G	Column H	Column I	Column J	Column K	Column L
Data Fields	Trust code	Trust Name	N of estimated elective infra-renal cases from HES	N of elective infra renal NVR cases	% Elective infra renal case ascertainment	N of Elective infra renal EVAR	% Elective infra renal with date of assessment	% Elective infra renal with anaesthetic review	Median delay and IQR from assessment to elective infra renal AAA repair	Adjusted elective infra renal AAA repair in-hospital mortality	N of ruptured AAA repairs	N of complex elective AAA repairs
Data Field Descriptions	NHS Trust Code at time of audit	NHS Trust Name at time of audit	The number of cases that were identified in HES in 2014	The total number of cases entered into the audit and utilisable in the report (dates 01/01/2014- 31/12/2014)	The percentage is the number of cases in report divided by the number of cases in HES	The number of patients undergoing endovascular repair of their infra renal AAA	The percentage of elctive infra-renal AAA repair patients with a valid date of assessment recorded	The percentage of patients who underwent a pre-operative anaesthetic review prior to their elective infra renal AAA repair	The median number of days and interquartile range between assessment and elective infra renal AAA repair	The percentage of patients within the report that died prior to discharge from hospital (adjusted)	Number of ruptured AAA repairs in 2014 that were submitted to the NVR	Number of elective complex AAA repairs in 2014 that were submitted to the NVR
Data Field Types	text	text	integer	integer	percentage	integer	percentage	percentage	string	percentage	integer	integer
Data Field Format	3 Alpher /Numeric e.g. AB1	text	integer	integer	0%	integer	0%	0%	0 (0,0)	0%	integer	integer