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Table 3 Nonresponse analysis: analysis of beneficiary characteristics

From: Field methods in medical record abstraction: assessing the properties of comparative effectiveness estimates

 

Full record received

Full record requested but not received

Number

1,765

942

Demographics

  

Percent female

59%

56%

Percent dual eligible for Medicaid

32%

31%

Race

  

White

83%

84%

Black

6%

7%

Hispanic

7%

6%

Other race

3%

4%

Mean age

79*

78

Characteristics of AMI

  

Severe/Moderate/Unknown

24%

23%

NSTEMI (not severe)

76%

76%

Comorbid conditions

  

Unstable angina

30%

33%

Heart Failure

48%

47%

Hypertension

73%

77%

Complications of index stay

  

Cardiac arrest

3%

2%

Ventricular arrhythmia

8%

8%

Other cardiac arrhythmia

50%

52%

Atrial Fibrillation

21%

19%

Stroke

3%

2%

Characteristics of hospital stay

  

Multiple acute care facility/transfer

13%***

21%

Discharge disposition

  

Discharged home

57%***

52%

Discharged to HH/another facility

43%***

48%

Mean LOS

7.2*

7.9

  1. *p < .05; **p,.001; ***p < .0001.