|
Total |
Non-Elective 30 days readmission |
Non-Elective 30 days readmission |
P-Value |
|
n = 2975 |
Readmitted
n = 243
|
Not Readmitted
n = 2732
|
|
Elective versus non-elective admission
Missing
|
2610 ( 88.0% )
9
|
199 ( 82.6% )
2
|
2411 ( 88.5% )
7
|
0.006 |
Age in years at admission |
75.8 ± 8.2 |
76.3 ± 8.1 |
75.8 ± 8.2 |
0.388 |
Female |
1149 ( 38.6% ) |
101 ( 41.6% ) |
1048 ( 38.4% ) |
0.325 |
Disposition of patient
1 Routine
2 Transfer to Short Term Hospital
5 Transfer Other: SNF, ICF
6 Home
Health Care (HHC)
Missing
|
2711 ( 91.2% )
2 ( 0.1% )
88 ( 3.0% )
172 ( 5.8% )
2
|
193 ( 79.4% )
0 ( 0.0% )
17 ( 7.0% )
33 ( 13.6% )
|
2518 ( 92.2% )
2 ( 0.1% )
71 ( 2.6% )
139 ( 5.1% )
2
|
< 0.001 |
Length of stay
Mean ± SD
Median (IQR)
|
1.6 ± 3.0
1.0 (1.0, 1.0)
|
2.8 ± 4.8
1.0 (1.0, 2.0)
|
1.5 ± 2.7
1.0 (1.0, 1.0)
|
< 0.001 |
Rehospitalization Length of
Stay
Mean ± SD
Median (IQR)
Missing
|
4.8 ± 4.9
3.0 (2.0, 6.0)
2732
|
4.8 ± 4.9
3.0 (2.0, 6.0)
0
|
±
(, )
2732
|
|
Primary expected payer
1 Medicare
2 Medicaid
3 Private Insurance
4 Self Pay
6 Other
Missing
|
2705 ( 91.0% )
31 ( 1.0% )
211 ( 7.1% )
5 ( 0.2% )
19 ( 0.6% )
4
|
221 ( 91.3% )
4 ( 1.7% )
16 ( 6.6% )
0 ( 0.0% )
1 ( 0.4% )
1
|
2484 ( 91.0% )
27 ( 1.0% )
195 ( 7.1% )
5 ( 0.2% )
18 ( 0.7% )
3
|
0.823 |
Patient Location: NCHS Urban-Rural Code
1 Central counties of metro areas of >=1 million population
2 Fringe counties of metro areas of >=1 million population
3 Counties in metro areas of 250,000-999,999 population
4 Counties in metro areas of 50,000-249,999 population
5 Micropolitan counties
6 Not metropolitan or micropolitan counties
Missing
|
966 ( 32.5% )
905 ( 30.4% )
611 ( 20.6% )
191 ( 6.4% )
145 ( 4.9% )
155 ( 5.2% )
2
|
80 ( 33.1% )
83 ( 34.3% )
46 ( 19.0% )
6 ( 2.5% )
12 ( 5.0% )
15 ( 6.2% )
1
|
886 ( 32.4% )
822 ( 30.1% )
565 ( 20.7% )
185 ( 6.8% )
133 ( 4.9% )
140 ( 5.1% )
1
|
0.131 |
Patient State is the same as Hospital State |
2708 ( 91.0% ) |
237 ( 97.5% ) |
2471 ( 90.4% ) |
< 0.001 |
Median household income national quartile for patient ZIP Code
1
2
3
4
Missing
|
502 ( 17.1% )
569 ( 19.4% )
848 ( 28.9% )
1016 ( 34.6% )
40
|
51 ( 21.3% )
44 ( 18.4% )
65 ( 27.2% )
79 ( 33.1% )
4
|
451 ( 16.7% )
525 ( 19.5% )
783 ( 29.0% )
937 ( 34.8% )
36
|
0.347 |
Bed size of hospital
1 Small
2 Medium
3 Large
|
280 ( 9.4% )
676 ( 22.7% )
2019 ( 67.9% )
|
24 ( 9.9% )
66 ( 27.2% )
153 ( 63.0% )
|
256 ( 9.4% )
610 ( 22.3% )
1866 ( 68.3% )
|
0.192 |
Control/ownership of hospital
1 Govt
2 Private not-profit
3 Private invest-own
|
192 ( 6.5% )
2391 ( 80.4% )
392 ( 13.2% )
|
20 ( 8.2% )
172 ( 70.8% )
51 ( 21.0% )
|
172 ( 6.3% )
2219 ( 81.2% )
341 ( 12.5% )
|
< 0.001 |
Teaching status of urban hospitals
0 Metro non-teaching
1 Metro Teaching
2 Non Metro
|
422 ( 14.2% )
2532 ( 85.1% )
21 ( 0.7% )
|
29 ( 11.9% )
214 ( 88.1% )
0 ( 0.0% )
|
393 ( 14.4% )
2318 ( 84.8% )
21 ( 0.8% )
|
0.253 |
Total Elixhauser Groups per record |
3.9 ± 1.7 |
4.6 ± 2.0 |
3.8 ± 1.7 |
< 0.001 |
Total charges during index
admission
Missing
|
117368.3 ± 74860.5
11
|
139869.3 ± 94574.3
0
|
115358.8 ± 72523.8
11
|
< 0.001 |
Total charges during
rehospitalization
Missing
|
62577.7 ± 85850.7
2732
|
62577.7 ± 85850.7
0
|
±
2732
|
|
Death during
rehospitalization
Missing
|
3 ( 1.2% )
2732
|
3 ( 1.2% ) |
2732
|
|
Acute Renal Failure (ARF) |
67 ( 2.3% ) |
12 ( 4.9% ) |
55 ( 2.0% ) |
0.003 |
Atherosclerosis |
66 ( 2.2% ) |
13 ( 5.3% ) |
53 ( 1.9% ) |
< 0.001 |
Chronic Kidney Disease (CKD) |
478 ( 16.1% ) |
65 ( 26.7% ) |
413 ( 15.1% ) |
< 0.001 |
Chronic Obstructive Pulmonary Disease |
381 ( 12.8% ) |
64 ( 26.3% ) |
317 ( 11.6% ) |
< 0.001 |
Congestive Heart Failure (CHF) |
805 ( 27.1% ) |
89 ( 36.6% ) |
716 ( 26.2% ) |
< 0.001 |
End Stage Renal Disease (ESRD) |
73 ( 2.5% ) |
14 ( 5.8% ) |
59 ( 2.2% ) |
< 0.001 |
Ischemic Heart Disease |
1307 ( 43.9% ) |
127 ( 52.3% ) |
1180 ( 43.2% ) |
0.006 |
Non-ST Elevation Myocardial Infarction (NSTEMI) |
10 ( 0.3% ) |
4 ( 1.6% ) |
6 ( 0.2% ) |
0.006 |
Obesity |
286 ( 9.6% ) |
33 ( 13.6% ) |
253 ( 9.3% ) |
0.028 |
Anemia |
347 ( 11.7% ) |
50 ( 20.6% ) |
297 ( 10.9% ) |
< 0.001 |
Elixhauser Variables |
|
|
|
|
Congestive Heart Failure |
977 ( 32.8% ) |
100 ( 41.2% ) |
877 ( 32.1% ) |
0.003 |
Cardiac Arrhythmia |
2962 ( 99.6% ) |
241 ( 99.2% ) |
2721 ( 99.6% ) |
0.287 |
Valvular Disease |
590 ( 19.8% ) |
53 ( 21.8% ) |
537 ( 19.7% ) |
0.419 |
Pulmonary Circulation Disorders |
170 ( 5.7% ) |
16 ( 6.6% ) |
154 ( 5.6% ) |
0.542 |
Peripheral Vascular Disorders |
504 ( 16.9% ) |
58 ( 23.9% ) |
446 ( 16.3% ) |
0.002 |
Hypertension Uncomplicated |
1842 ( 61.9% ) |
127 ( 52.3% ) |
1715 ( 62.8% ) |
0.001 |
Hypertension Complicated |
652 ( 21.9% ) |
84 ( 34.6% ) |
568 ( 20.8% ) |
< 0.001 |
Paralysis |
13 ( 0.4% ) |
2 ( 0.8% ) |
11 ( 0.4% ) |
0.287 |
Other Neurological Disorders |
136 ( 4.6% ) |
14 ( 5.8% ) |
122 ( 4.5% ) |
0.354 |
Chronic Pulmonary Disease |
544 ( 18.3% ) |
74 ( 30.5% ) |
470 ( 17.2% ) |
< 0.001 |
Diabetes Uncomplicated |
705 ( 23.7% ) |
57 ( 23.5% ) |
648 ( 23.7% ) |
0.926 |
Diabetes Complicated |
216 ( 7.3% ) |
33 ( 13.6% ) |
183 ( 6.7% ) |
< 0.001 |
Hypothyroidism |
439 ( 14.8% ) |
43 ( 17.7% ) |
396 ( 14.5% ) |
0.177 |
Renal Failure |
560 ( 18.8% ) |
80 ( 32.9% ) |
480 ( 17.6% ) |
< 0.001 |
Liver Disease |
71 ( 2.4% ) |
9 ( 3.7% ) |
62 ( 2.3% ) |
0.160 |
Peptic Ulcer Disease excluding bleeding |
24 ( 0.8% ) |
4 ( 1.6% ) |
20 ( 0.7% ) |
0.126 |
AIDS/HIV |
1 ( 0.0% ) |
1 ( 0.4% ) |
0 ( 0.0% ) |
0.081 |
Lymphoma |
11 ( 0.4% ) |
0 ( 0.0% ) |
11 ( 0.4% ) |
1.000 |
Metastatic Cancer |
7 ( 0.2% ) |
0 ( 0.0% ) |
7 ( 0.3% ) |
1.000 |
Solid Tumor without Metastasis |
35 ( 1.2% ) |
3 ( 1.2% ) |
32 ( 1.2% ) |
0.760 |
Rheumatoid Arthritis/collagen |
62 ( 2.1% ) |
9 ( 3.7% ) |
53 ( 1.9% ) |
0.065 |
Coagulopathy |
112 ( 3.8% ) |
13 ( 5.3% ) |
99 ( 3.6% ) |
0.175 |
Obesity |
360 ( 12.1% ) |
39 ( 16.0% ) |
321 ( 11.7% ) |
0.048 |
Weight Loss |
14 ( 0.5% ) |
4 ( 1.6% ) |
10 ( 0.4% ) |
0.022 |
Fluid and Electrolyte Disorders |
118 ( 4.0% ) |
21 ( 8.6% ) |
97 ( 3.6% ) |
< 0.001 |
Blood Loss Anemia |
32 ( 1.1% ) |
3 ( 1.2% ) |
29 ( 1.1% ) |
0.742 |
Deficiency Anemia |
74 ( 2.5% ) |
16 ( 6.6% ) |
58 ( 2.1% ) |
< 0.001 |
Alcohol Abuse |
49 ( 1.6% ) |
3 ( 1.2% ) |
46 ( 1.7% ) |
0.794 |
Drug Abuse |
9 ( 0.3% ) |
3 ( 1.2% ) |
6 ( 0.2% ) |
0.031 |
Psychoses |
4 ( 0.1% ) |
0 ( 0.0% ) |
4 ( 0.1% ) |
1.000 |
Depression |
191 ( 6.4% ) |
19 ( 7.8% ) |
172 ( 6.3% ) |
0.353 |
Continuous variables compared using Student’s T-test.
Categorical variables compared using chi-square or Fisher’s exact test.
|
Continuous variables compared using Student’s T-test.
Categorical variables compared using chi-square or Fisher’s exact test.
|
Continuous variables compared using Student’s T-test.
Categorical variables compared using chi-square or Fisher’s exact test.
|
Continuous variables compared using Student’s T-test.
Categorical variables compared using chi-square or Fisher’s exact test.
|
Continuous variables compared using Student’s T-test.
Categorical variables compared using chi-square or Fisher’s exact test.
|