| | 2015 | 2016 | 2017 | Total |
| | Total ED visits, n | 1,535,931 | 1,632,922 | 1,615,605 | ·· | | Respiratory disease, n (%) | 169,538 (32.3) | 202,114 (38.5) | 153,927 (29.3) | 525,579 | | Age (mean ± SD) | 27.1 (±27.1) | 26.5 (±26.7) | 31.2 (±28.7) | 28.1 (±27.5) | | 0–15, n (%) | 79,117 (46.7) | 95,768 (47.4) | 61,521(40.0) | 236,406 (45.0) | | 16–60, n (%) | 62,855 (37.1) | 75,241 (37.2) | 59,591 (38.7) | 197,687 (37.6) | | >60, n (%) | 27,566 (16.3) | 31,110 (15.4) | 32,816 (21.3) | 91,492 (17.4) | | Male, n (%) | 89,154 (52.6) | 105,430 (52.2) | 81,560 (53.0) | 276,144 (52.5) |
| | Diagnosis, n (%) | | [J00-J06] acute upper respiratory infections | 93,307 (55.0) | 102,199 (50.6) | 78,789 (51.2) | 274,295 (52.2) | | [J09-J11] influenza | 14,833 (8.7) | 32,051(15.9) | 13,617 (8.8) | 60,501 (11.5) | | [J12-18] pneumonia | 26,150 (15.4) | 28,759 (14.2) | 23,863 (15.5) | 78,772 (15.0) | | [J20-J22] other acute lower respiratory infections | 11,840 (7.0) | 13,091 (6.5) | 10,658 (6.9) | 35,589 (6.8) | | [J30-J39] other diseases of upper respiratory tract | 3,120 (1.8) | 3,565 (1.8) | 4,122 (2.7) | 10,807 (2.1) | | [J40-J47] chronic lower respiratory diseases | 11,028 (6.5) | 12,393 (6.1) | 11,491 (7.5) | 34,912 (6.6) | | [J60-J70] Lung diseases due to external agents | 1,700 (1.0) | 1,814 (0.9) | 1,909 (1.2) | 5,423 (1.0) | | [J80-J84] other respiratory diseases principally affecting the interstitium | 1,321 (0.8) | 1,531 (0.8) | 1,906 (1.2) | 4,758 (0.9) | | [J85-J86] suppurative and necrotic conditions of lower respiratory tract | 221 (0.1) | 290 (0.1) | 278 (0.2) | 789 (0.2) | | [J90-J94] other diseases of pleura | 4,809 (2.8) | 4,869 (2.4) | 5,041 (3.3) | 14,719 (2.8) | | [J95-J99] other diseases of the respiratory system | 1,209 (0.7) | 1,557 (0.8) | 2,254 (1.5) | 5,020 (1.0) | | Admission, n (%) | 34,354 (20.3) | 38,789 (19.2) | 33,971 (22.1) | 107,123 (20.4) | | [J00-J06] acute upper respiratory infections | 4,643 (13.5) | 5,254 (13.5) | 3,833 (11.3) | 13,730 (12.8) | | [J09-J11] influenza | 1,385 (4.0) | 2,309 (6.0) | 1,072 (3.2) | 4,766 (4.4) | | [J12-18] pneumonia | 15,605 (45.4) | 16,908 (43.6) | 14,382 (42.3) | 46,895 (43.8) | | [J20-J22] other acute lower respiratory infections | 2,018 (5.9) | 2,443 (6.3) | 2,036 (6.0) | 6,497 (6.1) | | [J30-J39] other diseases of upper respiratory tract | 807 (2.3) | 952 (2.5) | 947 (2.8) | 2,706 (2.5) | | [J40-J47] chronic lower respiratory diseases | 3,320 (9.7) | 3,631 (9.4) | 3,269 (9.6) | 10,220 (9.5) | | [J60-J70] Lung diseases due to external agents | 1,130 (3.3) | 1,215 (3.1) | 1,267 (3.7) | 3,612 (3.4) | | [J80-J84] other respiratory diseases principally affecting the interstitium | 968 (2.8) | 1,180 (3.0) | 1,516 (4.5) | 3,664 (3.4) | | [J85-J86] suppurative and necrotic conditions of lower respiratory tract | 178 (0.5) | 224 (0.6) | 221 (0.7) | 623 (0.6) | | [J90-J94] other diseases of pleura | 3,355 (9.8) | 3,453 (8.9) | 3,545 (10.4) | 10,353 (9.7%) | | [J95-J99] other diseases of the respiratory system | 945 (2.8) | 1,229 (3.2) | 1,883 (5.5) | 4,057 (3.8%) |
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