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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Pediatr Infect Dis J. 2013 Jan;32(1):72–77. doi: 10.1097/INF.0b013e318270d850

Table 3.

identification of Streptococcus pneumoniae, Staphylococcus aureus, and Haemophilus influenzae in 351 nasopharyngeal swabs tested for all three bacteria using culture and qPCR

Colonizing bacteria Culture results
(n=351)		 qPCR results
(n=351)
none 99 (28.2%) 28 (8.0%)
S. pneumoniae alone 135 (38.5%) 97 (27.6%)
S. aureus alone 22 (6.3%) 33 (9.4%)
H. influenzae alone 16 (4.6%) 11 (3.1%)
One species total 173 (49.3%) 141(40.2%)
S. pneumoniae + S. aureus 17 (4.8%) 99 (28.2%)
S. pneumoniae + H. influenzae 61 (17.4%) 72 (20.5%)
S. aureus + H. influenzae 1 (0.3%) 11 (3.1%)
Two species total 79 (22.5%) 182 (51.8%)
S. pneumoniae + S. aureus + H. influenzae 0 (0%) 0 (0%)
Any S. pneumoniae 213 (60.7%) 268 (85%)
Any H. influenzae 78 (24.8%) 94 (29.8%)
Any S. aureus 40 (12.7%) 143 (45.4%)