Table 1.
Demographic and Clinical Characteristics of Index Admissions among Targeted and Non-targeted Condition within the Nationwide Readmissions Database, 2010–2015
| Characteristics, No. (%) | AMI | HF | Pneumonia | COPD | Non-targeted Conditions |
|---|---|---|---|---|---|
| Age, year, median (IQR) | 67 (57, 78) | 75 (63, 84) | 73 (59, 83) | 68 (59, 77) | 58 (38, 74) |
| 18–39 | 56,036 (2.3) | 104,915 (2.3) | 379,382 (6.5) | – | 24,332,212 (26.0) |
| 40–64 | 1,009,250 (42.3) | 1,155,234 (25.7) | 1,620,305 (27.9) | 1,652,056 (39.4) | 32,378,953 (34.5) |
| ≥ 65 | 1,319,245 (55.4) | 3,231,031 (72.0) | 3,811,051 (65.6) | 2,546,107 (60.6) | 37,030,924 (39.5) |
| Gender | |||||
| Male | 1,469,081 (61.6) | 2,250,158 (50.1) | 2,813,803 (48.4) | 1,749,810 (41.7) | 38,694,908 (41.3) |
| Female | 915,450 (38.4) | 2,241,023 (49.9) | 2,996,935 (51.6) | 2,448,353 (58.3) | 55,047,181 (58.7) |
| Insurance | |||||
| Medicare | 1,358,056 (57.1) | 3,416,220 (76.1) | 4148,871 (71.5) | 2,961,680 (70.7) | 43,019,710 (46.0) |
| Medicaid | 165,552 (7.0) | 392,824 (8.8) | 514,536 (8.9) | 515,798 (12.3) | 16,644,864 (17.8) |
| Private | 618,579 (26.0) | 444,947 (10.0) | 816,310 (14.1) | 461,905 (11.0) | 24,383,243 (26.0) |
| Self-pay | 141,036 (5.9) | 125,322 (2.8) | 175,595 (3.0) | 129,210 (3.1) | 93,642 (5.8) |
| Other | 95,782 (4.0) | 102,929 (2.3) | 144,875 (2.5) | 121,275 (2.9) | 78,877 (4.4) |
| Median household income | |||||
| $1–$41,999 | 722,329 (30.8) | 1,521,192 (34.4) | 1,803,527 (31.5) | 1,542,186 (37.3) | 28,990,950 (31.4) |
| $42,000–$51,999 | 625,069 (26.7) | 1,120,857 (25.3) | 1,486,496 (26.0) | 1,115,493 (27.0) | 23,155,075 (25.1) |
| $52,000–$67,999 | 551,102 (23.5) | 985,561 (22.3) | 1,323,968 (23.1) | 874,642 (21.2) | 21,546,830 (23.3) |
| ≥ $68,000 | 446,519 (19.0) | 798,166 (18.0) | 1,105,383 (19.4) | 600,507 (14.5) | 18,598,519 (20.2) |
| Discharge location | |||||
| Home | 1,703,678 (71.5) | 2,407,431 (53.6) | 3,044,937 (52.4) | 2,743,387 (65.3) | 66,911,595 (71.4) |
| Home healthcare | 310,865 (13.0) | 1,137,616 (25.3) | 1,039,137 (17.9) | 815,016 (19.4) | 11,284,045 (12.0) |
| SNF/other | 369,988 (15.5) | 946,133 (21.1) | 1,726,664 (29.7) | 639,760 (15.3) | 15,546,448 (16.6) |
| No. of comorbidities, median (IQR) | 7 (5, 9) | 8 (6, 10) | 6 (4,8) | 7 (5, 9) | 4 (2,7) |
| Length of stay in days, median (IQR) | 3 (2, 5) | 4 (2,6) | 4 (3,7) | 4 (2,6) | 3 (2,5) |
| Total cost for index admission, median (IQR) | $57,610 ($33,195, $95,207) | $25,024 ($14,514, $45,047) | $26,433 ($15,068, $48,317) | $22,512 ($13,382, $39,122) | $22,230 ($12,415, $41,723) |
Abbrev. AMI acute myocardial infarction, HF heart failure, COPD chronic obstructive pulmonary disease, IQR interquartile range