Table 1 Patient characteristics and comparison between hospitals according to in-hospital mortality.
Hospital | Cheju Halla General Hospital | Chonnam National University Hospital | ||||
|---|---|---|---|---|---|---|
Total | Survived | Deceased | Total | Survived | Deceased | |
(N = 3058) | (N = 2960) | (N = 98) | (N = 1382) | (N = 1261) | (N = 121) | |
Mortality rate | 98 (3.2%) | 121 (8.8%) | ||||
Age (year) | 53.4 ± 21.5 | 52.8 ± 21.4 | 71.9 ± 17.1 | 49.0 ± 23.8 | 47.9 ± 23.9 | 60.2 ± 20.4 |
Procedure code | ||||||
Head procedure | 74 (2.4%) | 48 (1.6%) | 26 (26.5%) | 34 (2.5%) | 8 (0.6%) | 26 (21.5%) |
Torso procedure-vascular | 108 (3.5%) | 91 (3.1%) | 17 (17.3%) | 73 (5.3%) | 61 (4.8%) | 12 (9.9%) |
Torso procedure-abdomen | 68 (2.2%) | 51 (1.7%) | 17 (17.3%) | 78 (5.6%) | 54 (4.3%) | 24 (19.8%) |
Torso procedure-chest | 88 (2.9%) | 78 (2.6%) | 10 (10.2%) | 32 (2.3%) | 22 (1.7%) | 10 (8.3%) |
Torso procedure-heart | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 5 (0.4%) | 4 (0.3%) | 1 (0.8%) |
ECMO | 2 (0.1%) | 0 (0.0%) | 2 (2.0%) | 2 (0.1%) | 1 (0.1%) | 1 (0.8%) |
Initial KTAS | ||||||
Level 1 | 24 (0.8%) | 10 (0.3%) | 14 (14.3%) | 44 (3.2%) | 10 (0.8%) | 34 (28.1%) |
Level 2 | 580 (19.0%) | 538 (18.2%) | 42 (42.9%) | 262 (19.0%) | 196 (15.5%) | 66 (54.5%) |
Level 3 | 1823 (59.6%) | 1791 (60.5%) | 32 (32.7%) | 513 (37.1%) | 497 (39.4%) | 16 (13.2%) |
Level 4 | 630 (20.6%) | 620 (20.9%) | 10 (10.2%) | 524 (37.9%) | 519 (41.2%) | 5 (4.1%) |
Level 5 | 1 (0.0%) | 1 (0.0%) | 0 (0.0%) | 39 (2.8%) | 39 (3.1%) | 0 (0.0%) |
Not classified | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) |
Missing data | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) |
Altered KTAS | ||||||
Level 1 | 34 (1.1%) | 12 (0.4%) | 22 (22.4%) | 53 (3.8%) | 14 (1.1%) | 39 (32.2%) |
Level 2 | 427 (14.0%) | 386 (13.0%) | 41 (41.8%) | 331 (24.0%) | 269 (21.3%) | 62 (51.2%) |
Level 3 | 2549 (83.4%) | 2514 (84.9%) | 35 (35.7%) | 943 (68.2%) | 926 (73.4%) | 17 (14.0%) |
Level 4 | 47 (1.5%) | 47 (1.6%) | 0 (0.0%) | 54 (3.9%) | 51 (4.0%) | 3 (2.5%) |
Level 5 | 1 (0.0%) | 1 (0.0%) | 0 (0.0%) | 1 (0.1%) | 1 (0.1%) | 0 (0.0%) |
Missing data | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) |
Intentionality | ||||||
Accidental, unintentional | 2792 (91.3%) | 2710 (91.6%) | 82 (83.7%) | 1091 (78.9%) | 1003 (79.5%) | 88 (72.7%) |
Suicide, intentional self-harm | 65 (2.1%) | 64 (2.2%) | 1 (1.0%) | 4 (0.3%) | 3 (0.2%) | 1 (0.8%) |
Assault, violence | 77 (2.5%) | 76 (2.6%) | 1 (1.0%) | 2 (0.1%) | 2 (0.2%) | 0 (0.0%) |
Other specified | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 116 (8.4%) | 109 (8.6%) | 7 (5.8%) |
Unspecified | 48 (1.6%) | 45 (1.5%) | 3 (3.1%) | 160 (11.6%) | 135 (10.7%) | 25 (20.7%) |
Missing data | 76 (2.5%) | 65 (2.2%) | 11 (11.2%) | 9 (0.7%) | 9 (0.7%) | 0 (0.0%) |
Injury mechanism | ||||||
Car accident | 331 (10.8%) | 324 (10.9%) | 7 (7.1%) | 106 (7.7%) | 95 (7.5%) | 11 (9.1%) |
Bicycle accident | 67 (2.2%) | 67 (2.3%) | 0 (0.0%) | 34 (2.5%) | 32 (2.5%) | 2 (1.7%) |
Motorcycle accident | 236 (7.7%) | 227 (7.7%) | 9 (9.2%) | 93 (6.7%) | 70 (5.6%) | 23 (19.0%) |
Traffic accident-pedestrian, train, airplane, ship, etc. | 237 (7.8%) | 216 (7.3%) | 21 (21.4%) | 100 (7.2%) | 70 (5.6%) | 30 (24.8%) |
Traffic accident-unknown | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 4 (0.3%) | 3 (0.2%) | 1 (0.8%) |
Fall | 626 (20.5%) | 616 (20.8%) | 10 (10.2%) | 193 (14.0%) | 171 (13.6%) | 22 (18.2%) |
Slip | 716 (23.4%) | 679 (22.9%) | 37 (37.8%) | 234 (16.9%) | 217 (17.2%) | 17 (14.0%) |
Struck by person or object | 212 (6.9%) | 209 (7.1%) | 3 (3.1%) | 295 (21.3%) | 286 (22.7%) | 9 (7.4%) |
Firearm/cut (sharp or object)/piece | 253 (8.3%) | 252 (8.5%) | 1 (1.0%) | 263 (19.0%) | 258 (20.5%) | 5 (4.1%) |
Machine | 107 (3.5%) | 107 (3.6%) | 0 (0.0%) | 18 (1.3%) | 18 (1.4%) | 0 (0.0%) |
Fire, flames, or heat | 69 (2.3%) | 65 (2.2%) | 4 (4.1%) | 9 (0.7%) | 9 (0.7%) | 0 (0.0%) |
Drowning or nearly drowning | 3 (0.1%) | 3 (0.1%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) |
Poisoning | 0 (0%) | 0 (0.0%) | 0 (0.0%) | 0 (0%) | 0 (0.0%) | 0 (0.0%) |
Choking, hanging | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 1 (0.1%) | 1 (0.1%) | 0 (0.0%) |
Other-rape, electric | 129 (4.2%) | 128 (4.3%) | 1 (1.0%) | 26 (1.9%) | 25 (2.0%) | 1 (0.8%) |
Unknown | 72 (2.4%) | 67 (2.3%) | 5 (5.1%) | 6 (0.4%) | 6 (0.5%) | 0 (0.0%) |
Missing data | 0 (0%) | 0 (0.0%) | 0 (0.0%) | 0 (0%) | 0 (0.0%) | 0 (0.0%) |
Emergency presentation | ||||||
Yes | 3020 (98.8%) | 2922 (98.7%) | 98 (100.0%) | 1382 (100.0%) | 1261 (100.0%) | 121 (100.0%) |
No | 36 (1.2%) | 36 (1.2%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) |
Unspecified | 2 (0.1%) | 2 (0.1%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) |
AVPU scale | ||||||
Alert | 2803 (91.7%) | 2758 (93.2%) | 45 (45.9%) | 1229 (88.9%) | 1190 (94.4%) | 39 (32.2%) |
Drowsy | 128 (4.2%) | 115 (3.9%) | 13 (13.3%) | 55 (4.0%) | 43 (3.4%) | 12 (9.9%) |
Semi-coma | 95 (3.1%) | 76 (2.6%) | 19 (19.4%) | 61 (4.4%) | 25 (2.0%) | 36 (29.8%) |
Coma | 32 (1.0%) | 11 (0.4%) | 21 (21.4%) | 37 (2.7%) | 3 (0.2%) | 34 (28.1%) |
Unknown response | 0 (0%) | 0 (0.0%) | 0 (0.0%) | 0 (0%) | 0 (0.0%) | 0 (0.0%) |
Sex (male) | 1904 (62.3%) | 1847 (62.4%) | 57 (58.2%) | 1017 (73.6%) | 922 (73.1%) | 95 (78.5%) |
Injury severity score | 8.2 ± 7.3 | 7.7 ± 6.6 | 20.9 ± 13.1 | 8.5 ± 8.9 | 7.0 ± 7.0 | 24.9 ± 9.9 |
Injury severity score < 9 | 1695 (55.4%) | 1682 (56.8%) | 13 (13.3%) | 821 (59.4%) | 819 (64.9%) | 2 (1.7%) |
