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Table 4 Sputum and OPS Concordance

From: Comparing the yield of oropharyngeal swabs and sputum for detection of 11 common pathogens in hospitalized children with lower respiratory tract infection

Items   Number Percentage
Concordant Sputum/OPS paired specimens 349 79.3%
 No pathogen identified   45 10.2%
 Single pathogen identified   230 52.3%
 RSV    75 17.0%
 HRV    48 10.9%
 HMPV    40 9.1%
 Influenza A   33 7.5%
 Influenza B   15 3.4%
 HPIV    8 1.8%
 MP    5 1.1%
 HBoV    3 0.7%
 HCoV    3 0.7%
Two or three pathogens identified 74 16.8%
Discordant Sputum/OPS paired specimens 91 20.7%
Completely inconsistent 2 0.5%
 Partially consistent: more types of pathogen in Sputum 71 16.1%
 Partially consistent: more types of pathogen in OPS 16 3.6%
 Partially consistent: 1 pathogen inconsistent, others are consistent 2 0.5%