|
Age (years)
|
68.2
|
68.7
|
69.5
|
< 0.01
|
|
Median household income
| | | |
< 0.01
|
|
First quartile
|
2657 (24.4%)
|
1529 (23.4%)
|
4094 (27.3%)
| |
|
Second quartile
|
2500 (23.0%)
|
1318 (20.2%)
|
4226 (28.2%)
| |
|
Third quartile
|
2705 (24.9%)
|
1593 (24.4%)
|
3793 (25.3%)
| |
|
Fourth quartile
|
2729 (25.1%)
|
1924 (29.5%)
|
2504 (16.7%)
| |
|
Unknown
|
282 (2.6%)
|
162 (2.5%)
|
390 (2.6%)
| |
|
Payer status
| | | |
< 0.01
|
|
Medicare
|
6286 (57.8%)
|
3890 (59.6%)
|
9534 (63.5%)
| |
|
Medicaid
|
763 (7.0%)
|
382 (5.9%)
|
726 (4.8%)
| |
|
Private insurance
|
2838 (26.1%)
|
1768 (27.1%)
|
3542 (23.6%)
| |
|
Self-pay / no charge / other
|
986 (9.1%)
|
486 (7.4%)
|
1205 (8.0%)
| |
|
Comorbid conditions
|
|
Congestive heart failure
|
6000 (55.2%)
|
3477 (53.3%)
|
8091 (53.9%)
|
0.03
|
|
Valvular disease
|
2142 (19.7%)
|
1143 (17.5%)
|
2879 (19.2%)
|
< 0.01
|
|
Pulmonary circulation disorders
|
564 (5.2%)
|
280 (4.3%)
|
647 (4.3%)
|
< 0.01
|
|
Peripheral vascular disease
|
1132 (10.4%)
|
628 (9.6%)
|
1439 (9.6%)
|
0.06
|
|
Paralysis
|
108 (1.0%)
|
52 (0.8%)
|
131 (0.9%)
|
0.37
|
|
Neurologic disease
|
599 (5.5%)
|
343 (5.3%)
|
826 (5.5%)
|
0.73
|
|
Chronic obstructive pulmonary disease
|
2162 (19.9%)
|
1464 (22.4%)
|
3641 (24.3%)
|
< 0.01
|
|
Diabetes mellitus, uncomplicated
|
2284 (21.0%)
|
1408 (21.6%)
|
3115 (20.8%)
|
0.4
|
|
Diabetes mellitus, with chronic complications
|
559 (5.1%)
|
331 (5.1%)
|
692 (4.6%)
|
0.11
|
|
Hypothyroidism
|
532 (4.9%)
|
342 (5.2%)
|
814 (5.4%)
|
0.16
|
|
Chronic kidney disease
|
1821 (16.7%)
|
1179 (18.1%)
|
2543 (16.9%)
|
0.06
|
|
Liver disease
|
142 (1.3%)
|
85 (1.3%)
|
189 (1.3%)
|
0.94
|
|
Lymphoma
|
62 (0.6%)
|
33 (0.5%)
|
92 (0.6%)
|
0.63
|
|
Solid tumor without metastasis
|
304 (2.8%)
|
142 (2.2%)
|
371 (2.5%)
|
0.03
|
|
Metastatic cancer
|
128 (1.2%)
|
62 (1.0%)
|
165 (1.1%)
|
0.38
|
|
Collagen vascular disease
|
145 (1.3%)
|
98 (1.5%)
|
228 (1.5%)
|
0.44
|
|
Coagulopathy
|
1337 (12.3%)
|
671 (10.3%)
|
1336 (8.9%)
|
< 0.01
|
|
Obesity
|
508 (4.7%)
|
365 (5.6%)
|
828 (5.5%)
|
< 0.01
|
|
Weight loss
|
641 (5.9%)
|
423 (6.5%)
|
804 (5.4%)
|
< 0.01
|
|
Fluid and electrolyte disorders
|
3973 (36.5%)
|
2435 (37.3%)
|
5278 (35.2%)
|
< 0.01
|
|
Chronic blood loss anemia
|
188 (1.7%)
|
118 (1.8%)
|
279 (1.9%)
|
0.74
|
|
Deficiency anemia
|
1325 (12.2%)
|
922 (14.1%)
|
1753 (11.7%)
|
< 0.01
|
|
Alcohol abuse
|
347 (3.2%)
|
168 (2.6%)
|
452 (3.0%)
|
0.07
|
|
Drug abuse
|
168 (1.5%)
|
85 (1.3%)
|
172 (1.1%)
|
0.02
|
|
Psychoses
|
176 (1.6%)
|
93 (1.4%)
|
189 (1.3%)
|
0.05
|
|
Depression
|
294 (2.7%)
|
158 (2.4%)
|
380 (2.5%)
|
0.49
|
|
Hypertension
|
4746 (43.6%)
|
3003 (46.0%)
|
6702 (44.7%)
|
0.01
|
