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BACKGROUND: Surgical mortality results are increasingly being reported and published in the public domain as indicators of surgical quality. This study examined how mortality outlier status at 90 days after colorectal surgery compares with mortality at 30 days and subsequent intervals in the first year after surgery. METHODS: All adults undergoing elective and emergency colorectal resection between April 2001 and February 2007 in English National Health Service (NHS) Trusts were identified from administrative data. Funnel plots of postoperative case mix-adjusted institutional mortality rate against caseload were created for 30, 90, 180 and 365 days. High- or low-mortality unit status of individual Trusts was defined as breaching upper or lower third standard deviation confidence limits on the funnel plot for 90-day mortality. RESULTS: A total of 171 688 patients from 153 NHS Trusts were included. Some 14 537 (8·5 per cent) died within 30 days of surgery, 19 466 (11·3 per cent) within 90 days, 23 942 (13·9 per cent) within 180 days and 31 782 (18·5 per cent) within 365 days. Eight institutions were identified as high-mortality units, including all four units with high outlying status at 30 days. Twelve units were low-mortality units, of which six were also low outliers at 30 days. Ninety-day mortality correlated strongly with later mortality results (rs  = 0·957, P 

Original publication

DOI

10.1002/bjs.9318

Type

Journal article

Journal

Br J Surg

Publication Date

12/2013

Volume

100

Pages

1810 - 1817

Keywords

Adult, Aged, Cohort Studies, Colectomy, Colorectal Neoplasms, Elective Surgical Procedures, Emergency Treatment, Female, Hospital Mortality, Humans, Laparoscopy, Male, Middle Aged, Risk Factors, Time Factors