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Table 3 Health care utilization (ED visits, inpatient admissions, outpatient medications, length of stay, time to readmission, disposition) and mortality in cases and controls

From: Factors associated with high-utilization in a safety net setting

Ā 

Cases (nā€‰=ā€‰247)

Controls (nā€‰=ā€‰247)

Outcome

Mean (Std.Dev.)

Cumulative

Mean (Std.Dev.)

Cumulative

ED visits, year of high use

ā€ƒAll years

8.11 (7.36)

2003

1.74 (1.58)

431a

ā€ƒ2011

8.31 (7.01)

789

1.62 (1.21)

154a

ā€ƒ2012

6.88 (5.33)

585

1.89 (2.01)

164a

ā€ƒ2013

9.39 (9.61)

629

1.74 (1.42)

113a

Number of admissions, year of high use

ā€ƒAll years

4.55 (2.01)

1123

1.23 (0.42)

305a

ā€ƒ2011

4.79 (2.11)

321

1.26 (0.44)

82a

ā€ƒ2012

4.33 (1.88)

368

1.24 (0.43)

108a

ā€ƒ2013

4.57 (2.05)

434

1.21 (0.41)

115a

Outpatient medications, year of high use

ā€ƒAll years

18.39 (7.50)

4543

6.28 (4.97)

1550a

ā€ƒ2011

17.99 (7.36)

1709

5.97 (4.98)

567a

ā€ƒ2012

18.26 (7.05)

1552

6.46 (4.51)

562a

ā€ƒ2013

19.13 (8.26)

1282

6.48 (5.55)

421a

Ā 

Mean (Std.Dev.)

Median

Mean (Std.Dev.)

Median

Length of stay (days)

5.90 (6.99)

4

5.57 (6.99)

4

Time to readmission (days)

46.5 (53.4)

26

59.87 (66.22)

30

Ā 

%

%

Disposition

ā€ƒNursing home

22.27

5.26a

ā€ƒSub-acute rebab

11.34

6.10a

ā€ƒHospice

9.31

2.83a

Deceased

ā€ƒNo

77.33

91.09

ā€ƒYes

22.67

8.91a

  1. asignificant at alphaā€‰=ā€‰0.05