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National Vascular Registry 2016 Annual Report AppendicesData Field Description File - 2016 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	Column M	Column N	Column O	Column P	Column Q	Column R	Column S	Column T	Column U
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	% patients undergoing pre-op CT/MR angiogram assessment	%patients discussed at MDT	Median delay and IQR from assessment to elective infra renal AAA repair	Median and IQR length of stay for open repairs	Median and IQR length of stay for EVAR	Adjusted elective infra renal AAA repair in-hospital mortality	N of ruptured AAA repairs	N of ruptured AAAs that were EVAR	Median and IQR length of stay for ruptured AAA repairs	Adjusted ruptured AAA repair in-hospital mortality	N of complex elective AAA repairs	N of complex AAAs that were EVAR	Median and IQR length of stay for complex 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 2015	The total number of cases entered into the audit and utilisable in the report (dates 01/01/2015- 31/12/2015)	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 percentage of patients who underwent a pre-operative CT/MR angiogram assessment prior to their elective infra renal AAA repair	The percentage of patients who were discussed at and MDT meeting 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 median number of days and interquartile range length of stay for elective infra renal AAA open repair	The median number of days and interquartile range length of stay for elective infra renal AAA endovascular repair	The percentage of patients within the report that died prior to discharge from hospital (adjusted) in 2013-2015	Number of ruptured AAA repairs in 2014 that were submitted to the NVR	Number of ruptured AAA repairs in 2014 that were submitted to the NVR that were EVARs	The median number of days and interquartile range length of stay for ruptured AAA repairs	The percentage of patients within the report that died prior to discharge from hospital (adjusted) in 2014-2015	Number of elective complex AAA repairs in 2014-2015 that were submitted to the NVR	Number of endovascular elective complex AAA repairs in 2014-2015 that were submitted to the NVR	The median number of days and interquartile range length of stay for complex AAA repairs
Data Field Types	text	text	integer	integer	percentage	integer	percentage	percentage	percentage	percentage	string	string	string	percentage	integer	integer	string	percentage	integer	integer	string
Data Field Format	3 Alpher /Numeric e.g. AB1	text	integer	integer	0%	integer	0%	0%	0%	0%	0 (0,0)	0 (0,0)	0 (0,0)	0%	integer	integer	0 (0,0)	0%	integer	integer	0 (0,0)