Table 4.
Comparison of clinical characteristics and IgM positive detection rates of different pathogens between the severe pneumonia group and none-severe pneumonia group
| Index | Severe pneumonia group (n = 6093) | Non-severe pneumonia group (n = 19600) | t/χ2 | P |
|---|---|---|---|---|
| Ages (Years) | 1.88 ± 2.60 | 2.51 ± 2.56 | 9.817 | < 0.001 |
| Sex | 1.333 | 0.248 | ||
| Male | 3454 | 11275 | ||
| Female | 2639 | 8325 | ||
| Years | 367.327 | < 0.001 | ||
| 2019 | 1497 | 3775 | ||
| 2020 | 1271 | 2851 | ||
| 2021 | 1209 | 4282 | ||
| 2022 | 1170 | 3818 | ||
| 2023 | 946 | 4874 | ||
| Season | 55.071 | < 0.001 | ||
| Spring | 1486 | 5054 | ||
| Summer | 1541 | 4821 | ||
| Autumn | 1370 | 5056 | ||
| Winter | 1696 | 4669 | ||
| Length of hospital stay | 7.06 ± 1.54 | 6.02 ± 1.37 | 46.316 | < 0.001 |
| Pathogen detection type | ||||
| MP | 1560 | 5722 | 29.508 | < 0.001 |
| IFV-A | 12 | 19 | 3.858 | 0.050 |
| IFV-B | 69 | 273 | 2.400 | 0.123 |
| PIV | 36 | 162 | 3.376 | 0.066 |
| ADV | 13 | 49 | 0.259 | 0.611 |
| RSV | 60 | 113 | 11.581 | 0.001 |
| Infection with a single pathogen | 24.996 | < 0.001 | ||
| Yes | 1687 | 6087 | ||
| No | 4406 | 13513 | ||
| Co-infection with 2 or more pathogens | 58 | 224 | 1.562 | 0.212 |
| Comorbid asthma | ||||
| Yes | 463 | 2501 | 121.329 | < 0.001 |
| No | 5630 | 17099 | ||
| Comorbid rhinitis | ||||
| Yes | 107 | 1007 | 128.147 | < 0.001 |
| No | 5986 | 18593 |
Note: MP: Mycoplasma pneumoniae; IFV-A: Influenza A virus; IFV-B: Influenza B virus; PIV: Parainfluenza virus; ADV: Adenovirus; RSV: Respiratory Syncytial Virus.