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 |