Table 3.
The classification and nature of complications of pertussis
| Complication | City | Total (N = 116) | ||||
|---|---|---|---|---|---|---|
| Saint Petersburg (N = 35) | Moscow (N = 45) | Krasnodar (N = 25) | Krasnoyarsk (N = 11) | |||
| n | n | n | n | n | % | |
| Specific | ||||||
| Encephalopathy | 2 | 2 | 5 | 2 | 11 | 9.5 |
| Respiratory pattern impairment | 4 | 0 | 0 | 0 | 4 | 3.4 |
| Hemorrhage | 1 | 0 | 0 | 1 | 2 | 1.7 |
| Hernia (umbilical) | 2 | 0 | 0 | 0 | 2 | 1.7 |
| Atelectasis | 1 | 3 | 0 | 0 | 4 | 3.4 |
| Non-specific | ||||||
| Pneumonia | 4 | 4 | 0 | 1 | 9 | 7.8 |
| Acute bronchitis | 8 | 0 | 1 | 2 | 11 | 9.5 |
| Obstructive bronchitis | 2 | 0 | 0 | 0 | 2 | 1.7 |
| Otitis media | 3 | 0 | 0 | 0 | 3 | 2.6 |
| Total | 27 | 9 | 6 | 6 | 48 | 41.4 |
N number of participants, n number of complications, % percentage of cases with complications (one participant can have more, than one complication)