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. 2015 Sep 15;8(9):15666–15674.

Table 1.

Clinical characteristics of 5,009 children hospitalized with MPP

Characteristic Overall Single infection Single infection (percentage) Co-infection (N) Co-infection (percentage)
Total cases 5,009 4,326 86.4 683 13.6
Gender
    Female 2,378 2051 86.2 327 13.8
    Male 2,631 2,275 86.5 356 13.5
Age group
    <1 y 50 46 92 4 8
    1-3 y 322 265 82.3 57 17.7
    4-6 y 1,249 1,064 85.2 185 14.8
    7-17 y 3,387 2,951 87.1 436 12.9
Severe MPP 776 621 80.0 155 20.0
Pleural effusions 636 536 84.3 100 15.7
Time from onset of symptoms to hospital visit (days)
    1-7 2,129 1868 87.7 261 12.3
    8-15 2298 1969 85.7 329 14.3
    16-30 538 445 82.7 93 17.3
Fever 4956
Cough 4958

Hospitalization expenses of single infections were less than co-infections. Significant differences were observed between single and co-infections. There was no significant difference in duration of hospitalization between patients with single infections and those who with co-infection.