Table 3. Statistical Analysis Comparing Emergency Medical Institutions Before and During the COVID-19 Period.
| Variables | Before COVID-19 (01.01.2017–01.27.2020) | During COVID-19 (01.28.2020–05.31.2020) | p value | |||||
|---|---|---|---|---|---|---|---|---|
| REC | LEC | LED | REC | LEC | LED | |||
| Patient visit | 4771013 (31.8) | 10964832(67.4) | 106715(0.8) | 418865(32.7) | 858712 (70) | 4374(0.3) | <0.001 | |
| Male sex (%) | 244518 (51.2) | 5018991 (49.7) | 73623 (70) | 219651 (52.4) | 436810 (50.9) | 2605 (59.6) | <0.001 | |
| Initial KTAS triage level | <0.001 | |||||||
| I | 81031(1.7) | 104800 (1.0) | 944 (0.9) | 9051 (2.2) | 11246 (1.3) | 4 (0.1) | ||
| II | 427176 (9.0) | 495341 (4.9) | 38046 (35.7) | 37614 (9.0) | 43388 (5.0) | 37 (0.9) | ||
| III | 2070674 (43.4) | 3444144 (34.1) | 15983 (15.0) | 195985 (46.8) | 306062 (35.6) | 1977 (45.2) | ||
| IV | 1828794 (38.3) | 4927306 (48.8) | 41500 (38.9) | 145294 (34.7) | 404774 (47.1) | 948 (21.7) | ||
| V | 363038 (7.6) | 1134529 (11.2) | 10242 (9.6) | 30921 (7.4) | 93242 (10.9) | 1408 (32.2) | ||
| Disposition status at ED | <0.001 | |||||||
| ED discharge | 3324972 (69.7) | 7716629 (76.4) | 57068 (53.5) | 277936 (66.4) | 936800 (74.2) | 4082 (93.3) | ||
| Admission to general ward | 1052890 (22.0) | 1826172 (18.1) | 45497 (42.6) | 99372 (23.7) | 164726 (19.5) | 240 (5.5) | ||
| Admission to intensive care unit | 269123 (5.6) | 312282 (3.1) | 2396 (2.3) | 29553 (7.1) | 31603 (3.7) | 28 (0.6) | ||
| Transfer to other hospital | 92465 (1.9) | 189726 (1.9) | 1043 (1.0) | 8009 (1.9) | 16113 (1.9) | 21 (0.5) | ||
| Expiry | 31563 (0.7) | 61311 (0.6) | 711 (0.7) | 3995 (1.0) | 6770 (0.8) | 3 (0.1) | ||
| Disposition status: admission to intensive care unit or expiry at ED | <0.001 | |||||||
| Yes | 300686 (6.3) | 373593 (3.7) | 3107 (2.9) | 33548 (8.0) | 38873 (4.5) | 31 (0.7) | ||
| No | 4470327 (93.7) | 9732527 (96.3) | 103608 (97.1) | 385317 (92.0) | 820339 (95.5) | 4343 (99.3) | ||
COVID-19, coronavirus disease 2019; REC, regional emergency center; LEC, local emergency center; LED, local emergency department, KTAS, Korean Triage and Acuity Scale; ED, emergency department.
% units are rounded up.