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

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