Table 2.
Clinical characteristics based on the patient dispositions in referred visits.
| Variables | Discharge (n = 470,589, 33.6%) |
Hospitalization (n = 855,022, 61.1%) |
Re-Transfer (n = 59,274, 4.2%) |
|---|---|---|---|
| Age (year, ±SD) | 56.2 (±19.3) | 63.1 (±18.3) | 65.9 (±17.8) |
| Sex, male (%) | 231,634 (49.2) | 456,291 (53.4) | 31,777 (53.6) |
| Cause of visit, n (%) | |||
| Disease | 370,366 (78.7) | 718,248 (84.0) | 48,461 (81.8) |
| Injury | 99,381 (21.1) | 134,712 (15.8) | 10,613 (17.9) |
| KTAS, n (%) | |||
| Level 1 | 2073 (0.4) | 27,285 (3.2) | 2293 (3.9) |
| Level 2 | 42,172 (9.0) | 159,988 (18.7) | 10,838 (18.3) |
| Level 3 | 220,449 (46.8) | 487,948 (57.1) | 31,296 (52.8) |
| Level 4 | 175,080 (37.2) | 155,589 (18.2) | 12,654 (21.3) |
| Level 5 | 29,989 (6.4) | 22,177 (2.6) | 1983 (3.3) |
| Vital sign (±SD) | |||
| SBP | 135.5 (±24.7) | 130.4 (±27.5) | 129.2 (±28.5) |
| DBP | 80.2 (±14.8) | 77.1 (±16.4) | 76.5 (±16.9) |
| PR | 85.2 (±17.7) | 88.4 (±19.6) | 89.1 (±20.2) |
| RR | 19.2 (±2.6) | 19.9 (±3.5) | 20.0 (±3.5) |
| BT | 36.8 (±0.6) | 36.9 (±0.7) | 36.8 (±0.8) |
| LOS (min ±SD) | 298.2 (±463.2) | 512.7 (±772.8) | 640.8 (±1117.0) |
| Insurance type, n (%) | |||
| National | 411,141 (87.4) | 734,084 (85.9) | 49,008 (82.7) |
| GSHI | 38,467 (8.2) | 78,253 (9.1) | 6949 (11.7) |
| Automobile | 10,404 (2.2) | 25,089 (2.9) | 2040 (3.4) |
| Industry | 940 (0.2) | 5147 (0.6) | 174 (0.3) |
| None | 6761 (1.4) | 9629 (1.1) | 633 (1.1) |
| Referred from | |||
| Higher general hospital | 11,964 (2.5) | 59,548 (7.0) | 2413 (4.1) |
| General hospital | 102,240 (21.7) | 322,565 (37.7) | 17,751 (29.9) |
| Hospital | 140,770 (29.9) | 289,802 (33.9) | 29,142 (49.2) |
| Clinic | 203,353 (43.2) | 169,055 (19.7) | 8706 (14.7) |
Data are presented as numbers with percentages for categorical variables and means with standard deviations for continuous variables. Abbreviations: BT, body temperature; DBP, diastolic blood pressure; GSHI, government-sponsored health insurance; KTAS, Korean Triage and Acuity Scale; LOS, length of stay; PR, pulse rate; RR, respiratory rate; SBP, systolic blood pressure; SD, standard deviations.