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Digital Home-Monitoring of Patients after Kidney Transplantation: The MACCS Platform

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Published on: April 12, 2021

DOES MEDICARE SAVE LIVES?

David Card¹, Carlos Dobkin, Nicole Maestas

¹University of California, Berkeley.

The Quarterly Journal of Economics

|November 19, 2009

Summary

This summary is machine-generated.

Medicare eligibility at age 65 impacts hospital care. Patients aged 65+ receive more services, leading to a significant reduction in 7-day mortality for emergency admissions.

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Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

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Published on: January 8, 2020

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Last Updated: Jun 18, 2026

Digital Home-Monitoring of Patients after Kidney Transplantation: The MACCS Platform

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Published on: April 12, 2021

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

Area of Science:

Health Economics
Health Services Research
Gerontology

Background:

Health insurance coverage significantly changes for individuals upon reaching age 65, coinciding with Medicare eligibility.
Understanding the impact of this transition on healthcare utilization and patient outcomes is crucial.

Purpose of the Study:

To evaluate the causal effects of Medicare eligibility on hospital service utilization and patient mortality.
To analyze discontinuities in care and outcomes around the age 65 threshold.

Main Methods:

Utilized a regression discontinuity design focusing on patients admitted via emergency departments.
Analyzed administrative data on hospital procedures, charges, and patient mortality.
Controlled for illness severity by examining conditions with similar admission rates across weekdays and weekends.

Main Results:

Observed statistically significant increases in hospital procedures and total charges for patients after age 65.
Estimated a nearly 1-percentage-point decrease in 7-day mortality for patients reaching age 65.
Demonstrated that this mortality reduction, representing a 20% decrease, persists for at least 9 months.

Conclusions:

Medicare eligibility appears to increase healthcare utilization for older adults.
The transition to Medicare is associated with improved short-term and medium-term survival for severely ill patients admitted through emergency departments.