Table 1.
Descriptive Statistics of Cohort Variables According to Quintile of Area Deprivation Index
| ADI Quintile | P Value | |||||
|---|---|---|---|---|---|---|
| 1 (Least Deprived) | 2 | 3 | 4 | 5 (Most Deprived) | ||
| No. of patients | 1877 | 4843 | 7380 | 8052 | 5542 | |
| Age (y), mean±SD | 72.4±13.3 | 72.1±12.8 | 72.0±13.1 | 70.7±13.4 | 68.2±14.1 | <0.001 |
| Male sex, n (%) | 1062 (56.6) | 2691 (55.6) | 3950 (53.5) | 4189 (52.0) | 2577 (46.5) | <0.001 |
| Race, n (%) | <0.001 | |||||
| White | 1820 (96.9) | 4708 (97.2) | 7151 (96.9) | 7556 (93.8) | 3984 (71.9) | |
| Black | 26 (1.4) | 93 (1.9) | 171 (2.3) | 429 (5.3) | 1503 (27.1) | |
| Other* | 31 (1.7) | 42 (0.9) | 58 (0.8) | 67 (0.8) | 55 (1.0) | |
| Elixhauser comorbidity score, median (IQR) | 5.0 (0.0–8.0) | 5.0 (0.0–8.0) | 5.0 (0.0–9.0) | 5.0 (0.0–9.0) | 5.0 (0.0–9.0) | 0.51 |
| No. of medications, mean±SD | 10.1±4.6 | 10.6±4.6 | 11.0±4.7 | 11.3±4.8 | 11.8±5.0 | <0.001 |
| Length of stay, mean±SD | 4.2±4.3 | 4.5±4.9 | 4.6±4.6 | 4.7±5.1 | 5.0±4.7 | <0.001 |
| Insurance type, n (%) | <0.001 | |||||
| Medicaid | 18 (1.0) | 107 (2.2) | 198 (2.7) | 43 (5.3) | 705 (12.7) | |
| Medicare | 1313 (70.0) | 3473 (71.7) | 5511 (74.7) | 5865 (72.8) | 3922 (70.8) | |
| Other | 546 (29.1) | 1263 (26.1) | 1671 (22.6) | 1757 (21.8) | 915 (16.5) | |
| Heart failure | 368 (19.6) | 1055 (21.8) | 1669 (22.6) | 1904 (23.7) | 1594 (28.8) | <0.001 |
| Myocardial ischemia | 575 (30.6) | 1659 (34.3) | 2755 (37.3) | 3014 (37.4) | 2205 (39.3) | <0.001 |
| Atrial fibrillation | 934 (49.8) | 2129 (44.0) | 2956 (40.1) | 3134 (38.9) | 1743 (31.5) | <0.001 |
IQR indicates interquartile range.
*
Other indicates neither Black nor White.