Table 2. Respiratory examination, chest radiograph findings, and results of viral testing in children infected with Mycoplasma pneumoniae, Ohio, USA, 2015–2019*.
| Test | MRMp, n = 12 | MSMp, n = 332 | p value |
|---|---|---|---|
| Respiratory examination | |||
| Abnormal | 9 (75) | 214 (64) | 0.5513 |
| Crackles | 3 (25) | 96 (45) | 0.7344 |
| Rales | 1 (11) | 25 (12) | >0.9999 |
| Rhonchi | 1 (11) | 23 (11) | >0.999 |
| Decreased breath sounds | 5 (56) | 104 (49) | 0.7441 |
| Wheezing |
1 (11) |
51 (24) |
0.6888 |
| Chest radiograph findings | n = 12 | n = 261 | >0.9999 |
| Abnormal | 12 (100) | 243 (93.1) | |
| Focal consolidation | 3 (25) | 170 (65.1) | |
| Multifocal consolidation | 4 (33) | 41 (15.7) | |
| Peribronchial thickening | 2 (17) | 45 (17.2) | |
| Atelectasis | 0 | 8 (3.1) | |
| Pleural effusion |
1 (11) |
39 (14.9) |
|
| Viral testing done by multiplex PCR | 10 (83.3) | 166 (50) | 0.4086 |
| M. pneumoniae alone | 9 (90) | 118 (71) | |
| M. pneumoniae + 1 virus | 1 (10) | 37 (22) | |
| M. pneumoniae + >2 viruses | 0 | 11 (7) |
*Values are no. (%) except as indicated. MRMp, macrolide-resistant Mycoplasma pneumoniae; MSMp, macrolide-sensitive Mycoplasma pneumoniae