Table 1. Demographic Characteristics.
| Characteristic | Patient encounters by campus, No. (%) | |||||||
|---|---|---|---|---|---|---|---|---|
| All (N = 362 926) | A (n = 63 783) | B (n = 32 352) | C (n = 40 562) | D (n = 10 130) | E (n = 62 457) | F (n = 10 944) | G (n = 142 698) | |
| Age, median (IQR), y | 64 (47-77) | 64 (46-78) | 65 (39-81) | 66 (47-78) | 72 (59-82) | 66 (54-78) | 73 (61-83) | 61 (42-74) |
| Hospital length of stay, median (IQR), h | 96 (59-171) | 100 (63-176) | 78 (52-133) | 92 (55-161) | 93 (55-152) | 105 (63-184) | 91 (55-143) | 98 (59-186) |
| Race | ||||||||
| American Indian or Alaska Native | 1184 (0.3) | 104 (0.2) | 33 (0.1) | 261 (0.6) | 17 (0.2) | 276 (0.4) | 42 (0.4) | 451 (0.3) |
| Asian | 6878 (1.9) | 780 (1.2) | 1033 (3.2) | 685 (1.7) | 126 (1.2) | 634 (1.0) | 78 (0.7) | 3542 (2.5) |
| Black or African American | 61 093 (16.8) | 14 232 (22.3) | 1934 (6.0) | 3371 (8.3) | 738 (7.3) | 16 741 (26.8) | 204 (1.9) | 23 873 (16.7) |
| Native Hawaiian or Other Pacific Islander | 783 (0.2) | 116 (0.2) | 58 (0.2) | 88 (0.2) | 11 (0.1) | 167 (0.3) | 10 (0.1) | 333 (0.2) |
| White | 25 0866 (69.1) | 35 452 (55.6) | 23 924 (73.9) | 32 462 (80.0) | 8806 (86.9) | 39 287 (62.9) | 10 399 (95.0) | 100 536 (70.5) |
| Declined or unknown | 42 122 (11.6) | 13 099 (20.5) | 5370 (16.6) | 3695 (9.1) | 432 (4.3) | 5352 (8.6) | 211 (1.9) | 13 963 (9.8) |
| Sex | ||||||||
| Female | 200 642 (55.3) | 35 162 (55.1) | 20 613 (63.7) | 23 001 (56.7) | 5452 (53.8) | 33 666 (53.9) | 5591 (51.1) | 77 157 (54.1) |
| Male | 162 280 (44.7) | 28 620 (44.9) | 11 739 (36.3) | 17 561 (43.3) | 4678 (46.2) | 28 790 (46.1) | 5353 (48.9) | 65 539 (45.9) |
| Declined or unknown | 4 (0.01) | 1 (0.002) | 0 | 0 | 0 | 1 (0.002) | 0 | 2 (0.001) |
| Congestive heart failure | 83 873 (23.1) | 15 655 (24.5) | 4625 (14.3) | 9382 (23.1) | 2554 (25.2) | 17 990 (28.8) | 3361 (30.7) | 30 306 (21.2) |
| Chronic pulmonary disease | 104 305 (28.7) | 18 859 (29.6) | 6298 (19.5) | 13 035 (32.1) | 3010 (29.7) | 21 457 (34.4) | 3850 (35.2) | 37 796 (26.5) |
| Kidney failure | 73 575 (20.3) | 13 586 (21.3) | 4679 (14.5) | 8624 (21.3) | 2257 (22.3) | 15 422 (24.7) | 2886 (26.4) | 26 121 (18.3) |
| Liver disease | 32 789 (9.0) | 5578 (8.7) | 1742 (5.4) | 3513 (8.7) | 782 (7.7) | 6109 (9.8) | 1610 (14.7) | 13 455 (9.4) |
| Metastatic cancer | 18 456 (5.1) | 2687 (4.2) | 1194 (3.7) | 1431 (3.5) | 269 (2.7) | 1567 (2.5) | 521 (4.8) | 10 787 (7.6) |
| Solid tumor without metastasis | 33 771 (9.3) | 5110 (8.0) | 2206 (6.8) | 2735 (6.7) | 506 (5.0) | 3098 (5.0) | 1000 (9.1) | 19 116 (13.4) |
| Obesity | 92 337 (25.4) | 16 928 (26.5) | 5882 (18.2) | 11 125 (27.4) | 2974 (29.4) | 19 746 (31.6) | 2589 (23.7) | 33 093 (23.2) |
| Surgery during the encounter | 144 227 (39.7) | 21 820 (34.2) | 12 361 (38.2) | 14 009 (34.5) | 3188 (31.5) | 24 883 (39.8) | 2902 (26.5) | 65 064 (45.6) |
| Ward to ICU transfer | 13 179 (3.6) | 2104 (3.3) | 436 (1.3) | 1826 (4.5) | 512 (5.1) | 1786 (2.9) | 600 (5.5) | 5915 (4.1) |
| Mortality | 7600 (2.1) | 1751 (2.7) | 689 (2.1) | 1021 (2.5) | 212 (2.1) | 1038 (1.7) | 331 (3.0) | 2558 (1.8) |
Abbreviation: ICU, intensive care unit.