Profiling Hospitals by Survival of Patients with Colorectal Cancer

Hui Zheng (First Author), Wei Zhang (Participant Author), John Z. Ayanian (Participant Author), Lawrence B. Zaborski (Participant Author), Alan M. Zaslavsky (Participant Author)

Research output: Contribution to journalJournal

3 Citations (Web of Science)


Objective To profile hospitals by survival rates of colorectal cancer patients in multiple periods after initial treatment. Data Sources California Cancer Registry data from 50,544 patients receiving primary surgery with curative intent for stage I-III colorectal cancer in 1994-1998, supplemented with hospital discharge abstracts. Study Design We estimated a single Bayesian hierarchical model to quantify associations of survival to 30 days, 30 days to 1 year, and 1-5 years by hospital, adjusted for patient age, sex, race, stage, tumor site, and comorbidities. We compared two profiling methods for 30-day survival and four longer-term profiling methods by the fractions of hospitals with demonstrably superior survival profiles and of hospital pairs whose relative standings could be established confidently. Conclusions The quality of care for colorectal cancer provided by a hospital system is somewhat consistent across the immediate postoperative and long-term follow-up periods. Combining mortality profiles across longer periods may improve the statistical reliability of outcome comparisons.
Original languageEnglish
Pages (from-to)729-746
JournalHealth Services Research
Issue number3
Publication statusPublished - 2011

Corresponding author email

Project name

Agency for Healthcare Research and Quality

Project sponsor


Project No.

R01 HS09869;;U01 CA93324


  • Bayesian inference
  • Cancer care
  • colorectal cancer
  • provider profiling
  • quality measurement

Indexed by

  • ABDC-A
  • SCIE
  • Scopus
  • SCI
  • SSCI
  • PubMed


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