Patient Characteristics | Whole Cohort | Patients with readmissions | Patients without readmissions | p-value |
---|---|---|---|---|
N = 11,510 | n = 3502 | n = 8008 | ||
Age Distribution | Â | Â | Â | 0.75 |
 Median (1, 3 quartile) | 75.7 (64.3, 84.7) | 76.0 (64.4, 84.6) | 75.5 (64.2, 84.7) |  |
Gender, n (%) | Â | Â | Â | 0.74 |
 Male | 6073 (52.8) | 1839 (52.5) | 4234 (52.9) |  |
Race, n (%) | Â | Â | Â | 0.16 |
 White | 9490 (84.5) | 2872 (83.8) | 6618 (84.9) |  |
 Black or African American | 889 (7.9) | 297 (8.7) | 592 (7.6) |  |
 Hispanic or Latino (all races) | 423 (3.8) | 141 (4.1) | 282 (3.6) |  |
 Asian | 221 (2.0) | 61 (1.8) | 160 (2.1) |  |
 Other, or more than one race | 202 (1.8) | 58 (1.7) | 144 (1.8) |  |
 Unknown (excluded in calculations) | n = 285 | n = 73 | n = 212 |  |
Marital status, n (%) | Â | Â | Â | 0.07 |
 Married / Partnered | 5125 (45.6) | 1516 (44.3) | 3609 (46.2) |  |
 Widow | 2360 (21.0) | 718 (21) | 1642 (21) |  |
 Single | 2274 (20.2) | 715 (20.9) | 1559 (19.9) |  |
 Divorced / Separated | 1069 (9.5) | 323 (9.4) | 746 (9.5) |  |
 Other | 412 (3.7) | 148 (4.3) | 264 (3.4) |  |
 Unknown (excluded in calculations) | n = 270 | n = 82 | n = 188 |  |
Highest educational attainment, n (%) |  |  |  | < 0.01* |
 Some High School or Less | 1117 (12.7) | 392 (14.2) | 725 (12) |  |
 High School Graduate/GED | 3418 (38.7) | 1127 (40.7) | 2291 (37.8) |  |
 Some College/Vocational/Technical Program | 492 (5.6) | 134 (4.8) | 358 (5.9) |  |
 Graduate of College or Postgraduate School | 2911 (33.0) | 864 (31.2) | 2047 (33.8) |  |
 Other | 887 (10.1) | 253 (9.1) | 634 (10.5) |  |
 Unknown (excluded in calculations) | n = 2685 | n = 732 | n = 1953 |  |
Employment status, n (%) |  |  |  | < 0.01* |
 Retired | 4338 (57.3) | 1329 (57.7) | 3009 (57.1) |  |
 Employed a | 2067 (27.3) | 556 (24.1) | 1511 (28.7) |  |
 Disability | 656 (8.7) | 259 (11.2) | 397 (7.5) |  |
 Unemployed | 467 (6.2) | 149 (6.5) | 318 (6) |  |
 Other | 49 (0.6) | 12 (0.5) | 37 (0.7) |  |
 Unknown (excluded in calculations) | n = 3933 | n = 1197 | n = 2736 |  |
Number of comorbidities, n (%) b |  |  |  | < 0.01* |
 0 | 2619 (22.8) | 578 (16.5) | 2041 (25.5) |  |
 1 | 3032 (26.3) | 840 (24) | 2192 (27.4) |  |
 2 | 2684 (23.3) | 841 (24) | 1843 (23) |  |
  ≥ 3 | 3175 (27.6) | 1243 (35.5) | 1932 (24.1) |  |