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  5. Summary & Timescale of the Data

Summary & Timescale of the Data

General Information

The three data collection periods were:

  • 1 January 2012 to 31 December 2013,
  • 1 January 2013 to 31 December 2014 and
  • 1 January 2014 to 31 December 2015

Surgeons who returned data for 2013 and/or 2014, but have stopped undertaking nephrectomies and did not return any 2015 data, are not displayed individually but their figures will still be included in the relevant unit data. 

Timeline for 2015 Data

31 Mar 2016 Deadline for submission of data to BAUS
20 May 2016  Summaries of data returned to Consultant contributors for validation
13 Jul 2016 Second summary of data sent to Consultant contributors for validation
05 Aug 2016 Final deadline for corrections and additional data
Aug 2016 Data extracted from the web-based database. Once extracted, the data was transferred to a Microsoft Access™ database for validation before being imported into Tableau™  for generation of the analyses
Sep 2016 All contributing surgeons sent a link to the website so they could check exactly how their data would be presented

2015 Figures for England

7,650 procedures were recorded from 289 consultants at 128 sites, including 297 private patients from 67 consultants (total from the UK for 2015 was 8,324) 

Hospital Episode Statistics (HES) for 2015 indicate that there were 8190 nephrectomies undertaken by urologists in 2015. Therefore, we captured data on 93% of the nephrectomies undertaken by urologists in England during 2015. 

  • Median number of cases per consultant: 19 (range 1 - 142)
  • Median number of cases per centre: 41 (range 1 - 246) 
 

2014 Figures for England

7,445 procedures were recorded from 330 consultants at 131 sites, including 211 private patients from 56 consultants.

Hospital Episode Statistics (HES) for 2014 indicate that there were 8,168 nephrectomies undertaken by urologists in 2013. Therefore, we captured data on 91% of the nephrectomies undertaken by urologists in England during 2014.

  • Median number of cases per consultant: 17 (range 1 – 131)
  • Median number of cases per centre: 38 (range 1 – 286)
 

2013 Figures for England

6,982 procedures were recorded from 320 consultants at 129 sites, including 168 private patients from 46 consultants.

Hospital Episode Statistics (HES)   for 2013 indicate that there were 7,478 nephrectomies undertaken by urologists in 2013. Therefore, we captured data on 93% of the nephrectomies undertaken by urologists in England during 2013.

95% of the cases were entered by hand, as opposed to being bulk-uploaded from datasets such as the Somerset Cancer Registry.

Median number of cases per consultant: 16 (range 1 – 118)
Median number of cases per centre: 38 (range 1 – 295)