Table 1 Demographic and comorbidity characteristics of emergency department cohorts in 2010 and 2015
2010 | 2015 | |||
|---|---|---|---|---|
Patients with a Single ED visit (N = 19,659) | Patients with Multiple ED visits (N = 6950) | Patients with a Single ED visit (N = 37,182) | Patients with Multiple ED visits (N = 13,359) | |
Sex | ||||
Female | 11,150 (56.7%) | 4107 (59.1%)* | 20,670 (55.6%) | 7599 (56.9%) |
Male | 8509 (43.3%) | 2843 (40.9%) | 16,512 (44.4%) | 5760 (43.1%) |
Age (Mean ± SD) | 48.36 ± 18.08 | 48.83 ± 19.44 | 49.78 ± 19.05 | 52.24 ± 20.82* |
Age Group (in years) | ||||
18 to 24 | 2277 (11.6%) | 941 (13.5%)* | 3965 (10.7%) | 1558 (11.7%)* |
25 to 44 | 6203 (31.6%) | 2071 (29.8%) | 11,583 (31.2%) | 3591 (26.9%) |
45 to 64 | 7150 (36.4%) | 2261 (32.5%) | 12,574 (33.8%) | 4026 (30.1%) |
65 to 84 | 3644 (18.5%) | 1482 (21.3%) | 7704 (20.7%) | 3352 (25.1%) |
85+ | 385 (2.0%) | 195 (2.8%) | 1356 (3.6%) | 832 (6.2%) |
Neighbourhood Income Quintile | ||||
1 – Lowest | 3446 (17.5%) | 1590 (22.9%)* | 6913 (18.6%) | 3251 (24.3%)* |
2 | 3855 (19.6%) | 1441 (20.7%) | 7143 (19.2%) | 2726 (20.4%) |
3 | 4033 (20.5%) | 1456 (20.9%) | 7213 (19.4%) | 2521 (18.9%) |
4 | 4175 (21.2%) | 1289 (18.5%) | 7673 (20.6%) | 2413 (18.1%) |
5 - Highest | 4081 (20.8%) | 1138 (16.4%) | 8062 (21.7%) | 2376 (17.8%) |
Rurality | ||||
Major Urban | 8370 (42.6%) | 2028 (29.2%)* | 20,343 (54.7%) | 6035 (45.2%)* |
Small Urban | 8316 (42.3%) | 3026 (43.5%) | 12,213 (32.8%) | 4612 (34.5%) |
Rural | 2973 (15.1%) | 1896 (27.3%) | 4626 (12.4%) | 2712 (20.3%) |
Comorbidity (ADG Groups) | ||||
0–4 (lower) | 10,630 (54.1%) | 2423 (34.9%)* | 19,499 (52.4%) | 4311 (32.3%)* |
5–9 | 8137 (41.4%) | 3721 (53.5%) | 15,630 (42.0%) | 6933 (51.9%) |
10+ (higher) | 902 (4.6%) | 806 (11.6%) | 2053 (5.5%) | 2115 (15.8%) |
Chronic Disease Cohort | ||||
Post AMI | 390 (2.0%) | 71 (1.0%)* | 827 (2.2%) | 119 (0.9%)* |
Asthma | 3095 (15.7%) | 1040 (15.0%) | 6212 (16.7%) | 1845 (13.8%)* |
CHF | 457 (2.3%) | 66 (0.9%)* | 1211 (3.3%) | 108 (0.8%)* |
COPD | 1721 (8.8%) | 381 (5.5%)* | 3833 (10.3%) | 705 (5.3%)* |
Diabetes | 2251 (11.5%) | 432 (6.2%)* | 4860 (13.1%) | 743 (5.6%)* |
Hypertension | 5524 (28.1%) | 1233 (17.7%)* | 10,812 (29.1%) | 2178 (16.3%)* |
Mental Health | 14,524 (73.9%) | 3956 (56.9%)* | 28,428 (76.5%) | 7219 (54.0%)* |