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Table 1 Comparison of patients readmitted or not within 30 days of discharge

From: Institution specific risk factors for 30 day readmission at a community hospital: a retrospective observational study

Characteristic

Readmit (Nā€‰=ā€‰637)

Non-readmit (Nā€‰=ā€‰3137)

p-value*

Male (N-%)

269 (42.2)

1275 (40.6)

0.5

Age, yrs. (meanā€‰Ā±ā€‰SD)

78.0 (13.7)

76.0 (15.8)

0.004

LOS, days (meanā€‰Ā±ā€‰SD)

4.8 (4.3)

3.9 (3.1)

<0.0001

Elixhauser sum score (meanā€‰Ā±ā€‰SD)

4.3 (1.5)

3.9 (1.7)

<0.0001

Admission in the previous calendar year (N-%)

139 (21.8)

445 (14.2)

<0.0001

Disposition, home (N-%) vs. facility

353 (15.2)

1967 (84.8)

0.0006

Insurance

Ā Ā 

0.001

ā€ƒā€‰Medicare (N-%)

491 (18.3)

2198 (81.7)

Ā 

ā€ƒā€‰Medicaid (N-%)

19 (17.1)

92 (82.9)

Ā 

ā€ƒā€‰Private (N-%)

127 (13.0)

847 (87.0)

Ā 

MD census (meanā€‰Ā±ā€‰SD)

12.7 (2.7)

12.5 (1.8)

0.2

MD hours (meanā€‰Ā±ā€‰SD)

10.7 (1.8)

10.7 (1.8)

0.9

Discharge on switch day (N-%)

113 (15.6)

609 (84.3)

0.3

Service, housestaff vs. non-housestaff (N-%)

532 (17.6)

2488 (82.4)

0.02

Season

Ā Ā 

0.002

ā€ƒā€‰Winter (N-%)

199 (20.6)

765 (79.4)

Ā 

ā€ƒā€‰Spring (N-%)

165 (16.6)

831 (83.4)

Ā 

ā€ƒā€‰Summer (N-%)

123 (14.4)

733 (85.6)

Ā 

ā€ƒā€‰Fall (N-%)

150 (15.7)

808 (84.3)

Ā 

Floor

Ā Ā 

0.7

ā€ƒā€‰Med/onc (N-%)

294 (16.9)

1449 (83.1)

Ā 

ā€ƒā€‰Cardiac (N-%)

332 (17.0)

1617 (83.0)

Ā 

ā€ƒā€‰Non-medical (N-%)

11 (13.4)

71 (86.6)

Ā 

Floor census

Ā Ā 

0.67

ā€ƒā€‰<20 (N-%)

131 (17.2)

632 (82.8)

Ā 

ā€ƒā€‰21-30 (N-%)

366 (16.4)

1864 (83.6)

Ā 

ā€ƒā€‰>30 (N-%)

140 (17.9)

641 (82.1)

Ā 

Medicine/surgical census (meanā€‰Ā±ā€‰SD)

89 (12.5)

89 (12.8)

0.81

Hospital census (meanā€‰Ā±ā€‰SD)

204 (21.7)

205 (22.8)

0.26

  1. *P value obtained by chi-square, Studentā€™s T-test or Wilcoxon rank sum testing.