Table 2.
Etiological diagnosis of CAP by PCR
| Pathogen | Frequency (n = 146) |
Prevalence (%) |
|---|---|---|
| Atypical pathogens (Group 1) | 58 | 39.72 |
| Mycoplasma pneumoniae | 47 | 32.19 |
| Chlamydia pneumoniae | 11 | 7.53 |
| Virus (Group 2) | 52 | 35.62 |
| RSV-A | 35 | 23.97 |
| Flu-A | 3 | 2.05 |
| Flu-C | 1 | 0.68 |
| CoV | 1 | 0.68 |
| HRV | 1 | 0.68 |
| PIV-1 | 3 | 2.05 |
| PIV-2 | 4 | 2.74 |
| PIV-4 | 3 | 2.05 |
| HEV | 1 | 0.68 |
| Coinfections (Group 3) | 27 | 18.49 |
| Mycoplasma pneumoniae + RSV-A | 14 | 9.59 |
| Mycoplasma pneumoniae + HRV | 1 | 0.68 |
| Mycoplasma pneumoniae + PIV-1 | 1 | 0.68 |
| Mycoplasma pneumoniae + PIV-2 | 1 | 0.68 |
| Mycoplasma pneumoniae + RSV-A + HEV | 1 | 0.68 |
| Mycoplasma pneumoniae + Chlamydia pneumoniae + RSV-A | 1 | 0.68 |
| Mycoplasma pneumoniae + Chlamydia pneumoniae + Flu-A + Flu-C | 1 | 0.68 |
| Chlamydia pneumoniae + RSV-A | 2 | 1.37 |
| Chlamydia pneumoniae + CoV | 1 | 0.68 |
| Chlamydia pneumoniae + Mycoplasma pneumoniae | 3 | 2.06 |
| Chlamydia pneumoniae + Flu-A | 1 | 0.68 |
| Negative samples | 36 | 24.66 |