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Hospital and geographic variability in thirty-day all-cause mortality following colorectal cancer surgery.

Abstract：

OBJECTIVE:To assess hospital and geographic variability in 30-day mortality after surgery for CRC and examine the extent to which sociodemographic, area-level, clinical, tumor, treatment, and hospital characteristics were associated with increased likelihood of 30-day mortality in a population-based sample of older CRC patients. DATA SOURCES/STUDY SETTING:Linked Surveillance Epidemiology End Results (SEER) and Medicare data from 47,459 CRC patients aged 66 years or older who underwent surgical resection between 2000 and 2005, resided in 13,182 census tracts, and were treated in 1,447 hospitals. STUDY DESIGN:An observational study using multilevel logistic regression to identify hospital- and patient-level predictors of and variability in 30-day mortality. DATA COLLECTION/EXTRACTION METHODS:We extracted sociodemographic, clinical, tumor, treatment, hospital, and geographic characteristics from Medicare claims, SEER, and census data. PRINCIPAL FINDINGS:Of 47,459 CRC patients, 6.6 percent died within 30 days following surgery. Adjusted variability in 30-day mortality existed across residential census tracts (predicted mortality range: 2.7-12.3 percent) and hospitals (predicted mortality range: 2.5-10.5 percent). Higher risk of death within 30 days was observed for CRC patients age 85+ (12.7 percent), census-tract poverty rate >20 percent (8.0 percent), two or more comorbid conditions (8.8 percent), stage IV at diagnosis (15.1 percent), undifferentiated tumors (11.6 percent), and emergency surgery (12.8 percent). CONCLUSIONS:Substantial, but similar variability was observed across census tracts and hospitals in 30-day mortality following surgery for CRC in patients 66 years and older. Risk of 30-day mortality is driven not only by patient and hospital characteristics but also by larger social and economic factors that characterize geographic areas.

journal_name

Health Serv Res

journal_title

Health services research

authors

Schootman M,Lian M,Pruitt SL,Deshpande AD,Hendren S,Mutch M,Jeffe DB,Davidson N

doi

10.1111/1475-6773.12171a

subject

Has Abstract

pub_date

2014-08-01 00:00:00

pages

1145-64

issue

eissn

0017-9124

issn

1475-6773

journal_volume

pub_type

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Hospital and geographic variability in thirty-day all-cause mortality following colorectal cancer surgery.