Table
1: Patient
demographic, clinical, and administrative characteristics at index
hospitalization (n = 12,207).
|
Variables |
N (%) or Mean ± SD |
|
Demographic Variables |
|
|
Age |
75.93
± 13.23 |
|
Age
19-64 |
2,339
(19.2) |
|
Age
65-85 |
6,758
(55.4) |
|
Age
86 and older |
3,110
(25.5) |
|
Female
|
6,281
(51.5) |
|
Urban
residents |
5,457
(44.7) |
|
Median
household income national quartile |
|
|
First
Quartile |
2,891
(23.7) |
|
Second
Quartile |
6,183
(50.7) |
|
Third
Quartile |
2,109
(17.3) |
|
Fourth
Quartile |
919
(7.5) |
|
Primary
payer on index visit |
|
|
Medicare |
10,082
(82.6) |
|
Medicaid |
359
(2.9) |
|
Other* |
1,766
(14.5) |
|
Clinical Variables |
|
|
Length
of stay for index hospitalization |
5.33
± 4.95 |
|
Total
length of stay in 2009 |
7.81
± 8.26 |
|
Had
major operation procedure on index visit |
2,479
(20.3) |
|
Mortality
rate during index hospitalization |
570
(4.7%) |
|
Selected Comorbidities |
|
|
Hypertension |
5,809 (47.6) |
|
Chronic pulmonary disorders |
3,331 (27.3) |
|
Diabetes |
3,286 (26.9) |
|
Fluid and electrolyte disorders |
2,732 (22.4) |
|
Renal failure |
2,412 (19.8) |
|
Blood disorders |
2,054 (16.8) |
|
Hypothyroidism |
1,099 (9.0) |
|
Obesity |
830 (6.8) |
|
Other neurological disorders |
718 (5.9) |
|
Valvular disease |
623 (5.1) |
|
Peripheral vascular disorders |
614 (5.0) |
|
Depression |
467 (3.8) |
|
First
diagnosis of heart failure |
3,020
(24.7) |
|
First
or second diagnosis of heart failure |
5,682
(46.6) |
|
Administrative Variables |
|
|
Total
charges of index hospitalization |
36,211.82 ± 47,612.04 |
|
$776
to $10,000 |
2,593
(21.2) |
|
$10,001
to $20,000 |
3,286
(26.9) |
|
$20,001
to $40,000 |
3,082
(25.3) |
|
$40,001
to $769,063 |
3,246
(26.6) |
|
Total
charges of all hospitalizations in 2009 |
50,877.31
± 64,162.06 |
|
Admissions
from from non-healthcare settings (e.g.,
home) |
10884
(89.16) |
*Other included private payer, self-pay, and other federal
and state health insurers