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Etiological characteristics of severe and critically ill patients from 2015 to 2023
| Severity of illness | PIV | RSV | Flu A | Flu B | HRV | SARS-CoV-2 | χ2 | P |
|---|---|---|---|---|---|---|---|---|
| Severe case | 4560 (22.78%) | 9085 (45.39%) | 2610 (13.04%) | 2716 (13.57%) | 610 (3.05%) | 436 (2.18%) | 39,773.704 | < 0.001 |
| Critical illness | 16 (13.33%) | 5 (4.17%) | 6 (5.00%) | 46 (38.33%) | 1 (0.83%) | 46 (38.33%) | 438.864* | < 0.001 |
