Table 2.
Comparison of Disease Classifications for Critically Ill Patients Presenting via the ED from January 23 to February 24, 2019, 2020, and 2021
| Classification | 2019 (n=568) | 2020 (n=339) | 2021 (n=590) | χ2 | P | P1 | P2 | P3 |
|---|---|---|---|---|---|---|---|---|
| Nervous system | 120 (21.13%) | 88 (25.96%) | 128 (21.69%) | 3.162 | 0.206 | 0.103 | 0.830 | 0.147 |
| Cardiovascular system | 125 (22.01%) | 86 (25.37%) | 127 (21.53%) | 1.990 | 0.370 | 0.256 | 0.887 | 0.195 |
| Respiratory system | 85 (14.96%) | 34 (10.03%) | 89 (15.08%) | 7.019 | 0.030* | 0.033* | 1.000 | 0.034* |
| Digestive system | 57 (10.04%) | 42 (12.39%) | 61 (10.34%) | 1.357 | 0.507 | 0.273 | 0.923 | 0.385 |
| Endocrine system | 40 (7.04) | 34 (10.03%) | 36 (6.10%) | 5.005 | 0.082 | 0.132 | 0.554 | 0.038* |
| Urinary system | 28 (4.93%) | 22 (6.49%) | 30 (5.08%) | 1.151 | 0.563 | 0.367 | 1.000 | 0.377 |
| Severe trauma | 43 (7.57%) | 11 (3.24%) | 48 (8.14%) | 8.936 | 0.012* | 0.009* | 0.744 | 0.003* |
| Poisoning | 49 (8.63%) | 6 (1.77%) | 47 (7.97%) | 23.236 | 0.000* | 0.000* | 0.749 | 0.000* |
| Others | 21 (3.70%) | 16 (4.72%) | 24 (4.07%) | 0.568 | 0.753 | 0.489 | 0.763 | 0.619 |
Notes: Patients with multiple organ dysfunction syndrome (MODS) were classified and counted according to their first diagnoses. Others were not classified as the diagnosis was unknown. Poisoning patients include drug poisoning, chemical poisoning, alcohol poisoning, etc. χ2 and P are the overall comparisons among the three groups. P1 is the comparison between 2019 and 2020; P2 is the comparison between 2019 and 2021; P3 is the comparison between 2020 and 2021; *P < 0.05.