COMPARATIVE STUDY
JOURNAL ARTICLE
RESEARCH SUPPORT, N.I.H., EXTRAMURAL
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Feeding tubes and health costs postinsertion in nursing home residents with advanced dementia.

CONTEXT: The best evidence suggests that feeding tubes are ineffective in persons with advanced dementia. Little is known about their health care costs.

OBJECTIVES: To estimate Medicare costs attributable to inpatient care among nursing home (NH) residents with advanced dementia during the year following the placement of a percutaneous endoscopic gastrostomy (PEG) tube during an index hospitalization.

METHODS: Medicare claims (1999-2009) and Minimum Data Set data (1999-2009) were used to estimate Medicare costs attributable to inpatient care among NH residents with advanced dementia during the year following the placement of a PEG tube and compared with those who did not get a PEG tube. The study used a 3:1 propensity-matched cohort design.

RESULTS: Matched residents with (n=1924, 68.9% female, 28.8% African American, average age 83.1 years) and without (weighted n=1924, unique n=4337) PEG insertion showed comparable sociodemographic characteristics, similar rates of feeding tube risk factors, and similar mortality (51.9% 180 day mortality among those with a feeding tube vs. 49.8% among those without a feeding tube, P=0.11). One year hospital costs were $2224 higher in NH residents with a feeding tube ($10,191 vs. $7967, 95% CI of difference=$1514, $2933), with those with a feeding tube likely to spend more time in an intensive care unit (1.92 vs. 1.29 days, 95% CI of difference=0.34, 0.92 days).

CONCLUSION: In an analysis controlling for selection bias, PEG tube insertion is associated with a small but significant increase in annual inpatient health care costs, as well as in hospital and intensive care unit days, postinsertion.

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