Table 2.
Illustrate demography of the study population that made visits to the ED during 2016 with NSC, dyspnea, chest pain and abdominal pain. And the association between type of complaint and clinical outcome
| Total | NSC | Dyspnea | Chest pain | Abdominal pain | p-value | |
|---|---|---|---|---|---|---|
| Total | 4927 | 525 (11) | 1343 (27) | 1599 (32) | 1460 (30) | < 0.001 |
| Age, mean (SD) | 78 (8.1) | 80 (8.3) | 80 (8.3) | 77 (7.8) | 78 (7.9) | < 0.001 |
| 65–74, n (%) | 1941 (39) | 168 (32) | 427 (32) | 715 (45) | 631 (43) | < 0.001 |
| 75–84, n (%) | 1865 (38) | 210 (40) | 513 (38) | 586 (37) | 556 (38) | |
| ≥ 85, n (%) | 1121 (23) | 147 (28) | 403 (30) | 298 (19) | 273 (19) | |
| Gender | ||||||
| Female, n (%) | 2394 (49) | 262 (50) | 639 (48) | 816 (51) | 677 (46) | 0.06 |
| Male, (%) | 2533 (51) | 263 (50) | 704 (52) | 783 (49) | 783 (54) | |
| Previous health condition | ||||||
| Healthy, n (%) | 1486 (30) | 158 (30) | 306 (23) | 516 (32) | 506 (35) | < 0.001 |
| 1–3 diagnostic groups, n (%) | 2800 (57) | 316 (60) | 775 (58) | 862 (54) | 847 (58) | |
| ≥ 4 diagnostic groups, n (%) | 641 (13) | 51 (10) | 262 (20) | 221 (14) | 107 (7) | |
| Duration ED, mean (SD) | 4.3 (2,3) | 4.7 (2.5) | 4.3 (2.4) | 4 (2.2) | 4.5 (2.3) | < 0.001 |
| Duration ED > 4 h, n (%) | 2422 (49) | 299 (57) | 635 (47) | 734 (46) | 754 (52) | < 0.001 |
| Admission, n (%) | 3321 (67) | 368 (70) | 1060 (79) | 1003 (63) | 890 (61) | < 0.001 |
| Re-visit 72 h, n (%) | 214 (4) | 25 (5) | 42 (3) | 36 (2) | 111 (8) | < 0.001 |
| Bed-days, mean (SD) | 4.2 (6.0) | 5.6 (8.3) | 5.4 (7.2) | 3.6 (6.2) | 3.2 (6.0) | < 0.001 |
| 30-days mortality, n (%) | 272 (6) | 45 (9) | 128 (10) | 32 (2) | 67 (5) | < 0.001 |
NSC non-specific complaint, n number, SD standard deviation, NSC non-specific complaint, ED emergency department