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. Author manuscript; available in PMC: 2023 Apr 1.
Published in final edited form as: Am Heart J. 2021 Dec 16;246:65–73. doi: 10.1016/j.ahj.2021.11.021

Table 4.

Multivariable logistic regression model examining the association between percutaneous coronary intervention and hospital mortality among older adults with acute myocardial infarction and heart failure in Premier Healthcare Database from 2000 to 2016.

Variable Model 1 Model 2 Model 3 Model 4
PCI 0.53***
(0.027)		 0.52***
(0.027)		 0.53***
(0.028)		 0.56***
(0.029)
Age 1.01***
(0.003)		 1.01***
(0.003)		 1.01***
(0.003)		 0.97***
(0.003)
Female Gender 0.87***
(0.026)		 0.88***
(0.026)		 0.886 ***
(0.027)		 0.80***
(0.025)
White 1.04
(0.036)		 1.03
(0.037)		 1.21***
(0.45)***
Hypertension 0.61***
(0.025)		 0.55***
(0.023)
Frailty 6.14***
(0.70)
Constant 0.057***
(0.015)		 0.056***
(0.015)		 0.096***
(0.026)		 0.73
(0.227)
Observations 42,946 42,946 42,946 42,946

Standard errors in parentheses

***

p<0.01,

**

p<0.05,

*

p<0.1

Abbreviations: PCI = percutaneous coronary intervention.

α

Frailty was defined according to the claims-based frailty index derived from inpatient and outpatient data from 6 months prior to the acute myocardial infarction admission.